Home / 318,815.52-439,968.33-175,576.14

Finding the Fourth Proportional to 318,815.52, 439,968.33 and 175,576.14

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Solution

The fourth proportional to 318,815.52, 439,968.33 and 175,576.14 is: 242,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,815.52 : 439,968.33 = 175,576.14 : x
  2. Step 2: Convert to fraction form
    318,815.52/439,968.33 = 175,576.14/x
  3. Step 3: Cross multiply
    318,815.52x = 439,968.33 × 175,576.14
  4. Step 4: Simplify right side
    318,815.52x = 77,247,941,103.65
  5. Step 5: Solve for x
    x = 77,247,941,103.65/318,815.52
  6. Step 6: Final answer
    x = 242,296.68

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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.