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Finding the Fourth Proportional to 191,332, 287,044.08 and 60,004

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Solution

The fourth proportional to 191,332, 287,044.08 and 60,004 is: 90,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,332 : 287,044.08 = 60,004 : x
  2. Step 2: Convert to fraction form
    191,332/287,044.08 = 60,004/x
  3. Step 3: Cross multiply
    191,332x = 287,044.08 × 60,004
  4. Step 4: Simplify right side
    191,332x = 17,223,792,976.32
  5. Step 5: Solve for x
    x = 17,223,792,976.32/191,332
  6. Step 6: Final answer
    x = 90,020.45

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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.