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Finding the Fourth Proportional to 463,590.95, 695,277.32 and 126,551.48

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Solution

The fourth proportional to 463,590.95, 695,277.32 and 126,551.48 is: 189,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,590.95 : 695,277.32 = 126,551.48 : x
  2. Step 2: Convert to fraction form
    463,590.95/695,277.32 = 126,551.48/x
  3. Step 3: Cross multiply
    463,590.95x = 695,277.32 × 126,551.48
  4. Step 4: Simplify right side
    463,590.95x = 87,988,369,747.29
  5. Step 5: Solve for x
    x = 87,988,369,747.29/463,590.95
  6. Step 6: Final answer
    x = 189,797.43

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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.