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Finding the Fourth Proportional to 369,572.48, 510,007.52 and 208,428.92

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Solution

The fourth proportional to 369,572.48, 510,007.52 and 208,428.92 is: 287,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,572.48 : 510,007.52 = 208,428.92 : x
  2. Step 2: Convert to fraction form
    369,572.48/510,007.52 = 208,428.92/x
  3. Step 3: Cross multiply
    369,572.48x = 510,007.52 × 208,428.92
  4. Step 4: Simplify right side
    369,572.48x = 106,300,316,585.48
  5. Step 5: Solve for x
    x = 106,300,316,585.48/369,572.48
  6. Step 6: Final answer
    x = 287,630.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.