Home / 257,260.24-355,024.02-144,082.72

Finding the Fourth Proportional to 257,260.24, 355,024.02 and 144,082.72

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Solution

The fourth proportional to 257,260.24, 355,024.02 and 144,082.72 is: 198,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,260.24 : 355,024.02 = 144,082.72 : x
  2. Step 2: Convert to fraction form
    257,260.24/355,024.02 = 144,082.72/x
  3. Step 3: Cross multiply
    257,260.24x = 355,024.02 × 144,082.72
  4. Step 4: Simplify right side
    257,260.24x = 51,152,826,466.93
  5. Step 5: Solve for x
    x = 51,152,826,466.93/257,260.24
  6. Step 6: Final answer
    x = 198,836.89

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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.