Home / 415,209-572,988.43-224,222.39

Finding the Fourth Proportional to 415,209, 572,988.43 and 224,222.39

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Solution

The fourth proportional to 415,209, 572,988.43 and 224,222.39 is: 309,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,209 : 572,988.43 = 224,222.39 : x
  2. Step 2: Convert to fraction form
    415,209/572,988.43 = 224,222.39/x
  3. Step 3: Cross multiply
    415,209x = 572,988.43 × 224,222.39
  4. Step 4: Simplify right side
    415,209x = 128,476,836,088.86
  5. Step 5: Solve for x
    x = 128,476,836,088.86/415,209
  6. Step 6: Final answer
    x = 309,426.91

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1.5x scale

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.