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Finding the Fourth Proportional to 256,616, 354,285.60 and 167,347.52

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Solution

The fourth proportional to 256,616, 354,285.60 and 167,347.52 is: 231,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,616 : 354,285.60 = 167,347.52 : x
  2. Step 2: Convert to fraction form
    256,616/354,285.60 = 167,347.52/x
  3. Step 3: Cross multiply
    256,616x = 354,285.60 × 167,347.52
  4. Step 4: Simplify right side
    256,616x = 59,288,816,531.71
  5. Step 5: Solve for x
    x = 59,288,816,531.71/256,616
  6. Step 6: Final answer
    x = 231,041.00

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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.