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Finding the Fourth Proportional to 500,351.94, 750,569.22 and 163,385.10

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Solution

The fourth proportional to 500,351.94, 750,569.22 and 163,385.10 is: 245,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,351.94 : 750,569.22 = 163,385.10 : x
  2. Step 2: Convert to fraction form
    500,351.94/750,569.22 = 163,385.10/x
  3. Step 3: Cross multiply
    500,351.94x = 750,569.22 × 163,385.10
  4. Step 4: Simplify right side
    500,351.94x = 122,631,827,066.62
  5. Step 5: Solve for x
    x = 122,631,827,066.62/500,351.94
  6. Step 6: Final answer
    x = 245,091.14

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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.