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Finding the Fourth Proportional to 149,247.60, 223,870.04 and 60,480

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Solution

The fourth proportional to 149,247.60, 223,870.04 and 60,480 is: 90,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,247.60 : 223,870.04 = 60,480 : x
  2. Step 2: Convert to fraction form
    149,247.60/223,870.04 = 60,480/x
  3. Step 3: Cross multiply
    149,247.60x = 223,870.04 × 60,480
  4. Step 4: Simplify right side
    149,247.60x = 13,539,660,019.20
  5. Step 5: Solve for x
    x = 13,539,660,019.20/149,247.60
  6. Step 6: Final answer
    x = 90,719.45

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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.