Home / 415,530.32-573,304.23-254,217.20

Finding the Fourth Proportional to 415,530.32, 573,304.23 and 254,217.20

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Solution

The fourth proportional to 415,530.32, 573,304.23 and 254,217.20 is: 350,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,530.32 : 573,304.23 = 254,217.20 : x
  2. Step 2: Convert to fraction form
    415,530.32/573,304.23 = 254,217.20/x
  3. Step 3: Cross multiply
    415,530.32x = 573,304.23 × 254,217.20
  4. Step 4: Simplify right side
    415,530.32x = 145,743,796,098.76
  5. Step 5: Solve for x
    x = 145,743,796,098.76/415,530.32
  6. Step 6: Final answer
    x = 350,741.66

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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.