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Finding the Fourth Proportional to 438,745, 658,117.60 and 158,262.22

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Solution

The fourth proportional to 438,745, 658,117.60 and 158,262.22 is: 237,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,745 : 658,117.60 = 158,262.22 : x
  2. Step 2: Convert to fraction form
    438,745/658,117.60 = 158,262.22/x
  3. Step 3: Cross multiply
    438,745x = 658,117.60 × 158,262.22
  4. Step 4: Simplify right side
    438,745x = 104,155,152,397.07
  5. Step 5: Solve for x
    x = 104,155,152,397.07/438,745
  6. Step 6: Final answer
    x = 237,393.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.