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Finding the Fourth Proportional to 360,437.01, 497,360.75 and 199,282.44

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Solution

The fourth proportional to 360,437.01, 497,360.75 and 199,282.44 is: 274,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,437.01 : 497,360.75 = 199,282.44 : x
  2. Step 2: Convert to fraction form
    360,437.01/497,360.75 = 199,282.44/x
  3. Step 3: Cross multiply
    360,437.01x = 497,360.75 × 199,282.44
  4. Step 4: Simplify right side
    360,437.01x = 99,115,262,823.82
  5. Step 5: Solve for x
    x = 99,115,262,823.82/360,437.01
  6. Step 6: Final answer
    x = 274,986.36

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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.