Home / 278,306.35-383,891.87-245,937.08

Finding the Fourth Proportional to 278,306.35, 383,891.87 and 245,937.08

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Solution

The fourth proportional to 278,306.35, 383,891.87 and 245,937.08 is: 339,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,306.35 : 383,891.87 = 245,937.08 : x
  2. Step 2: Convert to fraction form
    278,306.35/383,891.87 = 245,937.08/x
  3. Step 3: Cross multiply
    278,306.35x = 383,891.87 × 245,937.08
  4. Step 4: Simplify right side
    278,306.35x = 94,413,247,118.11
  5. Step 5: Solve for x
    x = 94,413,247,118.11/278,306.35
  6. Step 6: Final answer
    x = 339,242.16

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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.