Home / 374,810.76-517,091.36-231,321.69

Finding the Fourth Proportional to 374,810.76, 517,091.36 and 231,321.69

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Solution

The fourth proportional to 374,810.76, 517,091.36 and 231,321.69 is: 319,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,810.76 : 517,091.36 = 231,321.69 : x
  2. Step 2: Convert to fraction form
    374,810.76/517,091.36 = 231,321.69/x
  3. Step 3: Cross multiply
    374,810.76x = 517,091.36 × 231,321.69
  4. Step 4: Simplify right side
    374,810.76x = 119,614,446,122.99
  5. Step 5: Solve for x
    x = 119,614,446,122.99/374,810.76
  6. Step 6: Final answer
    x = 319,132.90

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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.