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Finding the Fourth Proportional to 384,800.40, 577,200.58 and 104,310.36

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Solution

The fourth proportional to 384,800.40, 577,200.58 and 104,310.36 is: 156,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,800.40 : 577,200.58 = 104,310.36 : x
  2. Step 2: Convert to fraction form
    384,800.40/577,200.58 = 104,310.36/x
  3. Step 3: Cross multiply
    384,800.40x = 577,200.58 × 104,310.36
  4. Step 4: Simplify right side
    384,800.40x = 60,208,000,292.01
  5. Step 5: Solve for x
    x = 60,208,000,292.01/384,800.40
  6. Step 6: Final answer
    x = 156,465.53

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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.