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Finding the Fourth Proportional to 201,049.77, 277,510.96 and 129,429.79

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Solution

The fourth proportional to 201,049.77, 277,510.96 and 129,429.79 is: 178,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,049.77 : 277,510.96 = 129,429.79 : x
  2. Step 2: Convert to fraction form
    201,049.77/277,510.96 = 129,429.79/x
  3. Step 3: Cross multiply
    201,049.77x = 277,510.96 × 129,429.79
  4. Step 4: Simplify right side
    201,049.77x = 35,918,185,275.50
  5. Step 5: Solve for x
    x = 35,918,185,275.50/201,049.77
  6. Step 6: Final answer
    x = 178,653.20

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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.