Home / 442,927.18-664,683.90-243,386.52

Finding the Fourth Proportional to 442,927.18, 664,683.90 and 243,386.52

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Solution

The fourth proportional to 442,927.18, 664,683.90 and 243,386.52 is: 365,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,927.18 : 664,683.90 = 243,386.52 : x
  2. Step 2: Convert to fraction form
    442,927.18/664,683.90 = 243,386.52/x
  3. Step 3: Cross multiply
    442,927.18x = 664,683.90 × 243,386.52
  4. Step 4: Simplify right side
    442,927.18x = 161,775,097,997.61
  5. Step 5: Solve for x
    x = 161,775,097,997.61/442,927.18
  6. Step 6: Final answer
    x = 365,240.85

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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.