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Finding the Fourth Proportional to 624,079.40, 936,270.30 and 180,847.40

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Solution

The fourth proportional to 624,079.40, 936,270.30 and 180,847.40 is: 271,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,079.40 : 936,270.30 = 180,847.40 : x
  2. Step 2: Convert to fraction form
    624,079.40/936,270.30 = 180,847.40/x
  3. Step 3: Cross multiply
    624,079.40x = 936,270.30 × 180,847.40
  4. Step 4: Simplify right side
    624,079.40x = 169,322,049,452.22
  5. Step 5: Solve for x
    x = 169,322,049,452.22/624,079.40
  6. Step 6: Final answer
    x = 271,314.92

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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.