Home / 261,290.08-391,951.50-213,952.24

Finding the Fourth Proportional to 261,290.08, 391,951.50 and 213,952.24

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Solution

The fourth proportional to 261,290.08, 391,951.50 and 213,952.24 is: 320,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,290.08 : 391,951.50 = 213,952.24 : x
  2. Step 2: Convert to fraction form
    261,290.08/391,951.50 = 213,952.24/x
  3. Step 3: Cross multiply
    261,290.08x = 391,951.50 × 213,952.24
  4. Step 4: Simplify right side
    261,290.08x = 83,858,901,396.36
  5. Step 5: Solve for x
    x = 83,858,901,396.36/261,290.08
  6. Step 6: Final answer
    x = 320,941.77

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1.5x scale

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.