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Finding the Fourth Proportional to 201,841.60, 302,827.20 and 89,478.40

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Solution

The fourth proportional to 201,841.60, 302,827.20 and 89,478.40 is: 134,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,841.60 : 302,827.20 = 89,478.40 : x
  2. Step 2: Convert to fraction form
    201,841.60/302,827.20 = 89,478.40/x
  3. Step 3: Cross multiply
    201,841.60x = 302,827.20 × 89,478.40
  4. Step 4: Simplify right side
    201,841.60x = 27,096,493,332.48
  5. Step 5: Solve for x
    x = 27,096,493,332.48/201,841.60
  6. Step 6: Final answer
    x = 134,246.33

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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.