Home / 257,819.61-355,833.87-150,389.72

Finding the Fourth Proportional to 257,819.61, 355,833.87 and 150,389.72

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Solution

The fourth proportional to 257,819.61, 355,833.87 and 150,389.72 is: 207,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,819.61 : 355,833.87 = 150,389.72 : x
  2. Step 2: Convert to fraction form
    257,819.61/355,833.87 = 150,389.72/x
  3. Step 3: Cross multiply
    257,819.61x = 355,833.87 × 150,389.72
  4. Step 4: Simplify right side
    257,819.61x = 53,513,756,075.82
  5. Step 5: Solve for x
    x = 53,513,756,075.82/257,819.61
  6. Step 6: Final answer
    x = 207,562.78

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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.