Home / 229,657.28-316,566.24-210,372.80

Finding the Fourth Proportional to 229,657.28, 316,566.24 and 210,372.80

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Solution

The fourth proportional to 229,657.28, 316,566.24 and 210,372.80 is: 289,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,657.28 : 316,566.24 = 210,372.80 : x
  2. Step 2: Convert to fraction form
    229,657.28/316,566.24 = 210,372.80/x
  3. Step 3: Cross multiply
    229,657.28x = 316,566.24 × 210,372.80
  4. Step 4: Simplify right side
    229,657.28x = 66,596,926,294.27
  5. Step 5: Solve for x
    x = 66,596,926,294.27/229,657.28
  6. Step 6: Final answer
    x = 289,983.95

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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.