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Finding the Fourth Proportional to 570,377.35, 855,242.07 and 233,023.03

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Solution

The fourth proportional to 570,377.35, 855,242.07 and 233,023.03 is: 349,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,377.35 : 855,242.07 = 233,023.03 : x
  2. Step 2: Convert to fraction form
    570,377.35/855,242.07 = 233,023.03/x
  3. Step 3: Cross multiply
    570,377.35x = 855,242.07 × 233,023.03
  4. Step 4: Simplify right side
    570,377.35x = 199,291,098,534.87
  5. Step 5: Solve for x
    x = 199,291,098,534.87/570,377.35
  6. Step 6: Final answer
    x = 349,402.20

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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.