Home / 318,001.32-438,849.90-174,765

Finding the Fourth Proportional to 318,001.32, 438,849.90 and 174,765

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Solution

The fourth proportional to 318,001.32, 438,849.90 and 174,765 is: 241,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,001.32 : 438,849.90 = 174,765 : x
  2. Step 2: Convert to fraction form
    318,001.32/438,849.90 = 174,765/x
  3. Step 3: Cross multiply
    318,001.32x = 438,849.90 × 174,765
  4. Step 4: Simplify right side
    318,001.32x = 76,695,602,773.50
  5. Step 5: Solve for x
    x = 76,695,602,773.50/318,001.32
  6. Step 6: Final answer
    x = 241,180.14

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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.