Home / 320,981.16-481,186.22-152,397.48

Finding the Fourth Proportional to 320,981.16, 481,186.22 and 152,397.48

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Solution

The fourth proportional to 320,981.16, 481,186.22 and 152,397.48 is: 228,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,981.16 : 481,186.22 = 152,397.48 : x
  2. Step 2: Convert to fraction form
    320,981.16/481,186.22 = 152,397.48/x
  3. Step 3: Cross multiply
    320,981.16x = 481,186.22 × 152,397.48
  4. Step 4: Simplify right side
    320,981.16x = 73,331,567,338.73
  5. Step 5: Solve for x
    x = 73,331,567,338.73/320,981.16
  6. Step 6: Final answer
    x = 228,460.66

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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.