Home / 415,255.06-573,052.02-224,268.40

Finding the Fourth Proportional to 415,255.06, 573,052.02 and 224,268.40

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Solution

The fourth proportional to 415,255.06, 573,052.02 and 224,268.40 is: 309,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,255.06 : 573,052.02 = 224,268.40 : x
  2. Step 2: Convert to fraction form
    415,255.06/573,052.02 = 224,268.40/x
  3. Step 3: Cross multiply
    415,255.06x = 573,052.02 × 224,268.40
  4. Step 4: Simplify right side
    415,255.06x = 128,517,459,642.17
  5. Step 5: Solve for x
    x = 128,517,459,642.17/415,255.06
  6. Step 6: Final answer
    x = 309,490.41

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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.