Home / 229,084.02-316,151.73-128,488.50

Finding the Fourth Proportional to 229,084.02, 316,151.73 and 128,488.50

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Solution

The fourth proportional to 229,084.02, 316,151.73 and 128,488.50 is: 177,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,084.02 : 316,151.73 = 128,488.50 : x
  2. Step 2: Convert to fraction form
    229,084.02/316,151.73 = 128,488.50/x
  3. Step 3: Cross multiply
    229,084.02x = 316,151.73 × 128,488.50
  4. Step 4: Simplify right side
    229,084.02x = 40,621,861,560.11
  5. Step 5: Solve for x
    x = 40,621,861,560.11/229,084.02
  6. Step 6: Final answer
    x = 177,322.98

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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.