Home / 374,431.54-516,986.13-231,387.70

Finding the Fourth Proportional to 374,431.54, 516,986.13 and 231,387.70

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Solution

The fourth proportional to 374,431.54, 516,986.13 and 231,387.70 is: 319,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,431.54 : 516,986.13 = 231,387.70 : x
  2. Step 2: Convert to fraction form
    374,431.54/516,986.13 = 231,387.70/x
  3. Step 3: Cross multiply
    374,431.54x = 516,986.13 × 231,387.70
  4. Step 4: Simplify right side
    374,431.54x = 119,624,231,552.60
  5. Step 5: Solve for x
    x = 119,624,231,552.60/374,431.54
  6. Step 6: Final answer
    x = 319,482.25

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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.