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Finding the Fourth Proportional to 458,337.91, 632,501.53 and 254,390.59

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Solution

The fourth proportional to 458,337.91, 632,501.53 and 254,390.59 is: 351,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,337.91 : 632,501.53 = 254,390.59 : x
  2. Step 2: Convert to fraction form
    458,337.91/632,501.53 = 254,390.59/x
  3. Step 3: Cross multiply
    458,337.91x = 632,501.53 × 254,390.59
  4. Step 4: Simplify right side
    458,337.91x = 160,902,435,415.49
  5. Step 5: Solve for x
    x = 160,902,435,415.49/458,337.91
  6. Step 6: Final answer
    x = 351,056.36

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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.