Home / 311,036.16-466,502.40-100,643.52

Finding the Fourth Proportional to 311,036.16, 466,502.40 and 100,643.52

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Solution

The fourth proportional to 311,036.16, 466,502.40 and 100,643.52 is: 150,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,036.16 : 466,502.40 = 100,643.52 : x
  2. Step 2: Convert to fraction form
    311,036.16/466,502.40 = 100,643.52/x
  3. Step 3: Cross multiply
    311,036.16x = 466,502.40 × 100,643.52
  4. Step 4: Simplify right side
    311,036.16x = 46,950,443,624.45
  5. Step 5: Solve for x
    x = 46,950,443,624.45/311,036.16
  6. Step 6: Final answer
    x = 150,948.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.