Home / 315,758.27-473,318.20-135,960.95

Finding the Fourth Proportional to 315,758.27, 473,318.20 and 135,960.95

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Solution

The fourth proportional to 315,758.27, 473,318.20 and 135,960.95 is: 203,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,758.27 : 473,318.20 = 135,960.95 : x
  2. Step 2: Convert to fraction form
    315,758.27/473,318.20 = 135,960.95/x
  3. Step 3: Cross multiply
    315,758.27x = 473,318.20 × 135,960.95
  4. Step 4: Simplify right side
    315,758.27x = 64,352,792,124.29
  5. Step 5: Solve for x
    x = 64,352,792,124.29/315,758.27
  6. Step 6: Final answer
    x = 203,803.98

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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.