Home / 318,428.55-439,431.38-175,185.52

Finding the Fourth Proportional to 318,428.55, 439,431.38 and 175,185.52

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Solution

The fourth proportional to 318,428.55, 439,431.38 and 175,185.52 is: 241,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,428.55 : 439,431.38 = 175,185.52 : x
  2. Step 2: Convert to fraction form
    318,428.55/439,431.38 = 175,185.52/x
  3. Step 3: Cross multiply
    318,428.55x = 439,431.38 × 175,185.52
  4. Step 4: Simplify right side
    318,428.55x = 76,982,013,160.83
  5. Step 5: Solve for x
    x = 76,982,013,160.83/318,428.55
  6. Step 6: Final answer
    x = 241,756.00

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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.