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Finding the Fourth Proportional to 158,950.10, 238,425.15 and 40,630.70

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Solution

The fourth proportional to 158,950.10, 238,425.15 and 40,630.70 is: 60,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,950.10 : 238,425.15 = 40,630.70 : x
  2. Step 2: Convert to fraction form
    158,950.10/238,425.15 = 40,630.70/x
  3. Step 3: Cross multiply
    158,950.10x = 238,425.15 × 40,630.70
  4. Step 4: Simplify right side
    158,950.10x = 9,687,380,742.11
  5. Step 5: Solve for x
    x = 9,687,380,742.11/158,950.10
  6. Step 6: Final answer
    x = 60,946.05

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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.