Home / 415,715.98-573,844.06-272,485.25

Finding the Fourth Proportional to 415,715.98, 573,844.06 and 272,485.25

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Solution

The fourth proportional to 415,715.98, 573,844.06 and 272,485.25 is: 376,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,715.98 : 573,844.06 = 272,485.25 : x
  2. Step 2: Convert to fraction form
    415,715.98/573,844.06 = 272,485.25/x
  3. Step 3: Cross multiply
    415,715.98x = 573,844.06 × 272,485.25
  4. Step 4: Simplify right side
    415,715.98x = 156,364,042,150.12
  5. Step 5: Solve for x
    x = 156,364,042,150.12/415,715.98
  6. Step 6: Final answer
    x = 376,131.90

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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.