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Finding the Fourth Proportional to 525,152.97, 787,730.13 and 146,073.71

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Solution

The fourth proportional to 525,152.97, 787,730.13 and 146,073.71 is: 219,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,152.97 : 787,730.13 = 146,073.71 : x
  2. Step 2: Convert to fraction form
    525,152.97/787,730.13 = 146,073.71/x
  3. Step 3: Cross multiply
    525,152.97x = 787,730.13 × 146,073.71
  4. Step 4: Simplify right side
    525,152.97x = 115,066,664,537.21
  5. Step 5: Solve for x
    x = 115,066,664,537.21/525,152.97
  6. Step 6: Final answer
    x = 219,110.76

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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.