Home / 215,442.35-297,437.75-191,499.80

Finding the Fourth Proportional to 215,442.35, 297,437.75 and 191,499.80

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Solution

The fourth proportional to 215,442.35, 297,437.75 and 191,499.80 is: 264,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,442.35 : 297,437.75 = 191,499.80 : x
  2. Step 2: Convert to fraction form
    215,442.35/297,437.75 = 191,499.80/x
  3. Step 3: Cross multiply
    215,442.35x = 297,437.75 × 191,499.80
  4. Step 4: Simplify right side
    215,442.35x = 56,959,267,192.76
  5. Step 5: Solve for x
    x = 56,959,267,192.76/215,442.35
  6. Step 6: Final answer
    x = 264,382.88

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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.