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Finding the Fourth Proportional to 240,969.60, 361,454.40 and 229,564.80

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Solution

The fourth proportional to 240,969.60, 361,454.40 and 229,564.80 is: 344,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,969.60 : 361,454.40 = 229,564.80 : x
  2. Step 2: Convert to fraction form
    240,969.60/361,454.40 = 229,564.80/x
  3. Step 3: Cross multiply
    240,969.60x = 361,454.40 × 229,564.80
  4. Step 4: Simplify right side
    240,969.60x = 82,977,207,045.12
  5. Step 5: Solve for x
    x = 82,977,207,045.12/240,969.60
  6. Step 6: Final answer
    x = 344,347.20

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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.