Home / 372,835.71-514,817.10-303,936.30

Finding the Fourth Proportional to 372,835.71, 514,817.10 and 303,936.30

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Solution

The fourth proportional to 372,835.71, 514,817.10 and 303,936.30 is: 419,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,835.71 : 514,817.10 = 303,936.30 : x
  2. Step 2: Convert to fraction form
    372,835.71/514,817.10 = 303,936.30/x
  3. Step 3: Cross multiply
    372,835.71x = 514,817.10 × 303,936.30
  4. Step 4: Simplify right side
    372,835.71x = 156,471,604,550.73
  5. Step 5: Solve for x
    x = 156,471,604,550.73/372,835.71
  6. Step 6: Final answer
    x = 419,679.77

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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.