Home / 229,423.45-316,604.71-127,446.15

Finding the Fourth Proportional to 229,423.45, 316,604.71 and 127,446.15

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Solution

The fourth proportional to 229,423.45, 316,604.71 and 127,446.15 is: 175,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,423.45 : 316,604.71 = 127,446.15 : x
  2. Step 2: Convert to fraction form
    229,423.45/316,604.71 = 127,446.15/x
  3. Step 3: Cross multiply
    229,423.45x = 316,604.71 × 127,446.15
  4. Step 4: Simplify right side
    229,423.45x = 40,350,051,361.37
  5. Step 5: Solve for x
    x = 40,350,051,361.37/229,423.45
  6. Step 6: Final answer
    x = 175,875.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.