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Finding the Fourth Proportional to 162,344.40, 243,516.60 and 144,718.80

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Solution

The fourth proportional to 162,344.40, 243,516.60 and 144,718.80 is: 217,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,344.40 : 243,516.60 = 144,718.80 : x
  2. Step 2: Convert to fraction form
    162,344.40/243,516.60 = 144,718.80/x
  3. Step 3: Cross multiply
    162,344.40x = 243,516.60 × 144,718.80
  4. Step 4: Simplify right side
    162,344.40x = 35,241,430,132.08
  5. Step 5: Solve for x
    x = 35,241,430,132.08/162,344.40
  6. Step 6: Final answer
    x = 217,078.20

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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.