Home / 276,330.08-381,332.82-153,820.52

Finding the Fourth Proportional to 276,330.08, 381,332.82 and 153,820.52

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Solution

The fourth proportional to 276,330.08, 381,332.82 and 153,820.52 is: 212,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,330.08 : 381,332.82 = 153,820.52 : x
  2. Step 2: Convert to fraction form
    276,330.08/381,332.82 = 153,820.52/x
  3. Step 3: Cross multiply
    276,330.08x = 381,332.82 × 153,820.52
  4. Step 4: Simplify right side
    276,330.08x = 58,656,812,665.47
  5. Step 5: Solve for x
    x = 58,656,812,665.47/276,330.08
  6. Step 6: Final answer
    x = 212,270.82

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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.