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Finding the Fourth Proportional to 454,047.44, 626,361 and 272,672.24

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Solution

The fourth proportional to 454,047.44, 626,361 and 272,672.24 is: 376,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,047.44 : 626,361 = 272,672.24 : x
  2. Step 2: Convert to fraction form
    454,047.44/626,361 = 272,672.24/x
  3. Step 3: Cross multiply
    454,047.44x = 626,361 × 272,672.24
  4. Step 4: Simplify right side
    454,047.44x = 170,791,256,918.64
  5. Step 5: Solve for x
    x = 170,791,256,918.64/454,047.44
  6. Step 6: Final answer
    x = 376,152.89

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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.