Home / 229,343.28-316,504.24-127,369.21

Finding the Fourth Proportional to 229,343.28, 316,504.24 and 127,369.21

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Solution

The fourth proportional to 229,343.28, 316,504.24 and 127,369.21 is: 175,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,343.28 : 316,504.24 = 127,369.21 : x
  2. Step 2: Convert to fraction form
    229,343.28/316,504.24 = 127,369.21/x
  3. Step 3: Cross multiply
    229,343.28x = 316,504.24 × 127,369.21
  4. Step 4: Simplify right side
    229,343.28x = 40,312,895,010.45
  5. Step 5: Solve for x
    x = 40,312,895,010.45/229,343.28
  6. Step 6: Final answer
    x = 175,775.35

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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.