Home / 276,516.24-381,629.52-155,681.52

Finding the Fourth Proportional to 276,516.24, 381,629.52 and 155,681.52

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Solution

The fourth proportional to 276,516.24, 381,629.52 and 155,681.52 is: 214,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,516.24 : 381,629.52 = 155,681.52 : x
  2. Step 2: Convert to fraction form
    276,516.24/381,629.52 = 155,681.52/x
  3. Step 3: Cross multiply
    276,516.24x = 381,629.52 × 155,681.52
  4. Step 4: Simplify right side
    276,516.24x = 59,412,663,750.47
  5. Step 5: Solve for x
    x = 59,412,663,750.47/276,516.24
  6. Step 6: Final answer
    x = 214,861.39

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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.