Home / 374,431.04-516,985.44-231,387.20

Finding the Fourth Proportional to 374,431.04, 516,985.44 and 231,387.20

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Solution

The fourth proportional to 374,431.04, 516,985.44 and 231,387.20 is: 319,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,431.04 : 516,985.44 = 231,387.20 : x
  2. Step 2: Convert to fraction form
    374,431.04/516,985.44 = 231,387.20/x
  3. Step 3: Cross multiply
    374,431.04x = 516,985.44 × 231,387.20
  4. Step 4: Simplify right side
    374,431.04x = 119,623,813,402.37
  5. Step 5: Solve for x
    x = 119,623,813,402.37/374,431.04
  6. Step 6: Final answer
    x = 319,481.56

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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.