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Finding the Fourth Proportional to 160,385.40, 240,635.70 and 154,625.40

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Solution

The fourth proportional to 160,385.40, 240,635.70 and 154,625.40 is: 231,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,385.40 : 240,635.70 = 154,625.40 : x
  2. Step 2: Convert to fraction form
    160,385.40/240,635.70 = 154,625.40/x
  3. Step 3: Cross multiply
    160,385.40x = 240,635.70 × 154,625.40
  4. Step 4: Simplify right side
    160,385.40x = 37,208,391,366.78
  5. Step 5: Solve for x
    x = 37,208,391,366.78/160,385.40
  6. Step 6: Final answer
    x = 231,993.63

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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.