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Finding the Fourth Proportional to 400,077.70, 552,159.45 and 230,318.98

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Solution

The fourth proportional to 400,077.70, 552,159.45 and 230,318.98 is: 317,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,077.70 : 552,159.45 = 230,318.98 : x
  2. Step 2: Convert to fraction form
    400,077.70/552,159.45 = 230,318.98/x
  3. Step 3: Cross multiply
    400,077.70x = 552,159.45 × 230,318.98
  4. Step 4: Simplify right side
    400,077.70x = 127,172,801,321.36
  5. Step 5: Solve for x
    x = 127,172,801,321.36/400,077.70
  6. Step 6: Final answer
    x = 317,870.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.