Home / 360,554.32-497,521.20-199,387.42

Finding the Fourth Proportional to 360,554.32, 497,521.20 and 199,387.42

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Solution

The fourth proportional to 360,554.32, 497,521.20 and 199,387.42 is: 275,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,554.32 : 497,521.20 = 199,387.42 : x
  2. Step 2: Convert to fraction form
    360,554.32/497,521.20 = 199,387.42/x
  3. Step 3: Cross multiply
    360,554.32x = 497,521.20 × 199,387.42
  4. Step 4: Simplify right side
    360,554.32x = 99,199,468,463.30
  5. Step 5: Solve for x
    x = 99,199,468,463.30/360,554.32
  6. Step 6: Final answer
    x = 275,130.44

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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.