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Finding the Fourth Proportional to 525,332, 787,998 and 131,348

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Solution

The fourth proportional to 525,332, 787,998 and 131,348 is: 197,022

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,332 : 787,998 = 131,348 : x
  2. Step 2: Convert to fraction form
    525,332/787,998 = 131,348/x
  3. Step 3: Cross multiply
    525,332x = 787,998 × 131,348
  4. Step 4: Simplify right side
    525,332x = 103,501,961,304
  5. Step 5: Solve for x
    x = 103,501,961,304/525,332
  6. Step 6: Final answer
    x = 197,022

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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.