Home / 442,927.43-664,684.28-243,386.77

Finding the Fourth Proportional to 442,927.43, 664,684.28 and 243,386.77

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Solution

The fourth proportional to 442,927.43, 664,684.28 and 243,386.77 is: 365,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,927.43 : 664,684.28 = 243,386.77 : x
  2. Step 2: Convert to fraction form
    442,927.43/664,684.28 = 243,386.77/x
  3. Step 3: Cross multiply
    442,927.43x = 664,684.28 × 243,386.77
  4. Step 4: Simplify right side
    442,927.43x = 161,775,357,100.33
  5. Step 5: Solve for x
    x = 161,775,357,100.33/442,927.43
  6. Step 6: Final answer
    x = 365,241.22

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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.