Home / 229,407.48-316,571.61-127,439.55

Finding the Fourth Proportional to 229,407.48, 316,571.61 and 127,439.55

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Solution

The fourth proportional to 229,407.48, 316,571.61 and 127,439.55 is: 175,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,407.48 : 316,571.61 = 127,439.55 : x
  2. Step 2: Convert to fraction form
    229,407.48/316,571.61 = 127,439.55/x
  3. Step 3: Cross multiply
    229,407.48x = 316,571.61 × 127,439.55
  4. Step 4: Simplify right side
    229,407.48x = 40,343,743,521.18
  5. Step 5: Solve for x
    x = 40,343,743,521.18/229,407.48
  6. Step 6: Final answer
    x = 175,860.63

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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.