Home / 229,253.60-343,880.40-145,272.80

Finding the Fourth Proportional to 229,253.60, 343,880.40 and 145,272.80

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Solution

The fourth proportional to 229,253.60, 343,880.40 and 145,272.80 is: 217,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,253.60 : 343,880.40 = 145,272.80 : x
  2. Step 2: Convert to fraction form
    229,253.60/343,880.40 = 145,272.80/x
  3. Step 3: Cross multiply
    229,253.60x = 343,880.40 × 145,272.80
  4. Step 4: Simplify right side
    229,253.60x = 49,956,468,573.12
  5. Step 5: Solve for x
    x = 49,956,468,573.12/229,253.60
  6. Step 6: Final answer
    x = 217,909.20

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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.