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Finding the Fourth Proportional to 460,236, 635,125.01 and 256,304.78

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Solution

The fourth proportional to 460,236, 635,125.01 and 256,304.78 is: 353,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,236 : 635,125.01 = 256,304.78 : x
  2. Step 2: Convert to fraction form
    460,236/635,125.01 = 256,304.78/x
  3. Step 3: Cross multiply
    460,236x = 635,125.01 × 256,304.78
  4. Step 4: Simplify right side
    460,236x = 162,785,571,503.40
  5. Step 5: Solve for x
    x = 162,785,571,503.40/460,236
  6. Step 6: Final answer
    x = 353,700.21

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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.