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Finding the Fourth Proportional to 384,804.70, 577,207.05 and 243,087.10

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Solution

The fourth proportional to 384,804.70, 577,207.05 and 243,087.10 is: 364,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,804.70 : 577,207.05 = 243,087.10 : x
  2. Step 2: Convert to fraction form
    384,804.70/577,207.05 = 243,087.10/x
  3. Step 3: Cross multiply
    384,804.70x = 577,207.05 × 243,087.10
  4. Step 4: Simplify right side
    384,804.70x = 140,311,587,884.06
  5. Step 5: Solve for x
    x = 140,311,587,884.06/384,804.70
  6. Step 6: Final answer
    x = 364,630.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.