Home / 415,209.76-572,989.46-224,223.14

Finding the Fourth Proportional to 415,209.76, 572,989.46 and 224,223.14

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Solution

The fourth proportional to 415,209.76, 572,989.46 and 224,223.14 is: 309,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,209.76 : 572,989.46 = 224,223.14 : x
  2. Step 2: Convert to fraction form
    415,209.76/572,989.46 = 224,223.14/x
  3. Step 3: Cross multiply
    415,209.76x = 572,989.46 × 224,223.14
  4. Step 4: Simplify right side
    415,209.76x = 128,477,496,219.46
  5. Step 5: Solve for x
    x = 128,477,496,219.46/415,209.76
  6. Step 6: Final answer
    x = 309,427.93

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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.