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Finding the Fourth Proportional to 460,272.76, 635,171.28 and 256,319.21

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Solution

The fourth proportional to 460,272.76, 635,171.28 and 256,319.21 is: 353,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,272.76 : 635,171.28 = 256,319.21 : x
  2. Step 2: Convert to fraction form
    460,272.76/635,171.28 = 256,319.21/x
  3. Step 3: Cross multiply
    460,272.76x = 635,171.28 × 256,319.21
  4. Step 4: Simplify right side
    460,272.76x = 162,806,600,704.29
  5. Step 5: Solve for x
    x = 162,806,600,704.29/460,272.76
  6. Step 6: Final answer
    x = 353,717.66

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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.