Home / 253,789.11-350,228.95-151,818.86

Finding the Fourth Proportional to 253,789.11, 350,228.95 and 151,818.86

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Solution

The fourth proportional to 253,789.11, 350,228.95 and 151,818.86 is: 209,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,789.11 : 350,228.95 = 151,818.86 : x
  2. Step 2: Convert to fraction form
    253,789.11/350,228.95 = 151,818.86/x
  3. Step 3: Cross multiply
    253,789.11x = 350,228.95 × 151,818.86
  4. Step 4: Simplify right side
    253,789.11x = 53,171,360,424.02
  5. Step 5: Solve for x
    x = 53,171,360,424.02/253,789.11
  6. Step 6: Final answer
    x = 209,510.02

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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.