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Finding the Fourth Proportional to 217,253.60, 325,880.40 and 146,751.20

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Solution

The fourth proportional to 217,253.60, 325,880.40 and 146,751.20 is: 220,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,253.60 : 325,880.40 = 146,751.20 : x
  2. Step 2: Convert to fraction form
    217,253.60/325,880.40 = 146,751.20/x
  3. Step 3: Cross multiply
    217,253.60x = 325,880.40 × 146,751.20
  4. Step 4: Simplify right side
    217,253.60x = 47,823,339,756.48
  5. Step 5: Solve for x
    x = 47,823,339,756.48/217,253.60
  6. Step 6: Final answer
    x = 220,126.80

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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.