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Finding the Fourth Proportional to 460,496.67, 635,505.03 and 256,547.48

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Solution

The fourth proportional to 460,496.67, 635,505.03 and 256,547.48 is: 354,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,496.67 : 635,505.03 = 256,547.48 : x
  2. Step 2: Convert to fraction form
    460,496.67/635,505.03 = 256,547.48/x
  3. Step 3: Cross multiply
    460,496.67x = 635,505.03 × 256,547.48
  4. Step 4: Simplify right side
    460,496.67x = 163,037,212,691.09
  5. Step 5: Solve for x
    x = 163,037,212,691.09/460,496.67
  6. Step 6: Final answer
    x = 354,046.45

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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.