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Finding the Fourth Proportional to 384,749.40, 577,124.10 and 207,602.40

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Solution

The fourth proportional to 384,749.40, 577,124.10 and 207,602.40 is: 311,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,749.40 : 577,124.10 = 207,602.40 : x
  2. Step 2: Convert to fraction form
    384,749.40/577,124.10 = 207,602.40/x
  3. Step 3: Cross multiply
    384,749.40x = 577,124.10 × 207,602.40
  4. Step 4: Simplify right side
    384,749.40x = 119,812,348,257.84
  5. Step 5: Solve for x
    x = 119,812,348,257.84/384,749.40
  6. Step 6: Final answer
    x = 311,403.60

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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.