Home / 415,209.75-572,989.47-224,223.15

Finding the Fourth Proportional to 415,209.75, 572,989.47 and 224,223.15

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Solution

The fourth proportional to 415,209.75, 572,989.47 and 224,223.15 is: 309,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,209.75 : 572,989.47 = 224,223.15 : x
  2. Step 2: Convert to fraction form
    415,209.75/572,989.47 = 224,223.15/x
  3. Step 3: Cross multiply
    415,209.75x = 572,989.47 × 224,223.15
  4. Step 4: Simplify right side
    415,209.75x = 128,477,503,880.23
  5. Step 5: Solve for x
    x = 128,477,503,880.23/415,209.75
  6. Step 6: Final answer
    x = 309,427.96

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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.