Home / 320,981.91-481,187.34-152,398.23

Finding the Fourth Proportional to 320,981.91, 481,187.34 and 152,398.23

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Solution

The fourth proportional to 320,981.91, 481,187.34 and 152,398.23 is: 228,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,981.91 : 481,187.34 = 152,398.23 : x
  2. Step 2: Convert to fraction form
    320,981.91/481,187.34 = 152,398.23/x
  3. Step 3: Cross multiply
    320,981.91x = 481,187.34 × 152,398.23
  4. Step 4: Simplify right side
    320,981.91x = 73,332,098,914.41
  5. Step 5: Solve for x
    x = 73,332,098,914.41/320,981.91
  6. Step 6: Final answer
    x = 228,461.78

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1.5x scale

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.