Home / 245,592.27-368,387.19-212,210.75

Finding the Fourth Proportional to 245,592.27, 368,387.19 and 212,210.75

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Solution

The fourth proportional to 245,592.27, 368,387.19 and 212,210.75 is: 318,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,592.27 : 368,387.19 = 212,210.75 : x
  2. Step 2: Convert to fraction form
    245,592.27/368,387.19 = 212,210.75/x
  3. Step 3: Cross multiply
    245,592.27x = 368,387.19 × 212,210.75
  4. Step 4: Simplify right side
    245,592.27x = 78,175,722,801.26
  5. Step 5: Solve for x
    x = 78,175,722,801.26/245,592.27
  6. Step 6: Final answer
    x = 318,315.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.