Home / 315,436.20-473,154.30-203,461.80

Finding the Fourth Proportional to 315,436.20, 473,154.30 and 203,461.80

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Solution

The fourth proportional to 315,436.20, 473,154.30 and 203,461.80 is: 305,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,436.20 : 473,154.30 = 203,461.80 : x
  2. Step 2: Convert to fraction form
    315,436.20/473,154.30 = 203,461.80/x
  3. Step 3: Cross multiply
    315,436.20x = 473,154.30 × 203,461.80
  4. Step 4: Simplify right side
    315,436.20x = 96,268,825,555.74
  5. Step 5: Solve for x
    x = 96,268,825,555.74/315,436.20
  6. Step 6: Final answer
    x = 305,192.70

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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.