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Finding the Fourth Proportional to 240,434.80, 360,652.20 and 230,196.40

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Solution

The fourth proportional to 240,434.80, 360,652.20 and 230,196.40 is: 345,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,434.80 : 360,652.20 = 230,196.40 : x
  2. Step 2: Convert to fraction form
    240,434.80/360,652.20 = 230,196.40/x
  3. Step 3: Cross multiply
    240,434.80x = 360,652.20 × 230,196.40
  4. Step 4: Simplify right side
    240,434.80x = 83,020,838,092.08
  5. Step 5: Solve for x
    x = 83,020,838,092.08/240,434.80
  6. Step 6: Final answer
    x = 345,294.60

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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.