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Finding the Fourth Proportional to 575,008.07, 862,912.31 and 238,050.47

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Solution

The fourth proportional to 575,008.07, 862,912.31 and 238,050.47 is: 357,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,008.07 : 862,912.31 = 238,050.47 : x
  2. Step 2: Convert to fraction form
    575,008.07/862,912.31 = 238,050.47/x
  3. Step 3: Cross multiply
    575,008.07x = 862,912.31 × 238,050.47
  4. Step 4: Simplify right side
    575,008.07x = 205,416,675,459.47
  5. Step 5: Solve for x
    x = 205,416,675,459.47/575,008.07
  6. Step 6: Final answer
    x = 357,241.38

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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.