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Finding the Fourth Proportional to 474,064.76, 711,377.76 and 174,755.72

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Solution

The fourth proportional to 474,064.76, 711,377.76 and 174,755.72 is: 262,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,064.76 : 711,377.76 = 174,755.72 : x
  2. Step 2: Convert to fraction form
    474,064.76/711,377.76 = 174,755.72/x
  3. Step 3: Cross multiply
    474,064.76x = 711,377.76 × 174,755.72
  4. Step 4: Simplify right side
    474,064.76x = 124,317,332,640.79
  5. Step 5: Solve for x
    x = 124,317,332,640.79/474,064.76
  6. Step 6: Final answer
    x = 262,237.03

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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.