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Finding the Fourth Proportional to 458,448.04, 632,648.28 and 254,487.04

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Solution

The fourth proportional to 458,448.04, 632,648.28 and 254,487.04 is: 351,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,448.04 : 632,648.28 = 254,487.04 : x
  2. Step 2: Convert to fraction form
    458,448.04/632,648.28 = 254,487.04/x
  3. Step 3: Cross multiply
    458,448.04x = 632,648.28 × 254,487.04
  4. Step 4: Simplify right side
    458,448.04x = 161,000,788,138.29
  5. Step 5: Solve for x
    x = 161,000,788,138.29/458,448.04
  6. Step 6: Final answer
    x = 351,186.56

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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.