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Finding the Fourth Proportional to 360,360.82, 497,282.72 and 213,281.02

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Solution

The fourth proportional to 360,360.82, 497,282.72 and 213,281.02 is: 294,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,360.82 : 497,282.72 = 213,281.02 : x
  2. Step 2: Convert to fraction form
    360,360.82/497,282.72 = 213,281.02/x
  3. Step 3: Cross multiply
    360,360.82x = 497,282.72 × 213,281.02
  4. Step 4: Simplify right side
    360,360.82x = 106,060,965,749.97
  5. Step 5: Solve for x
    x = 106,060,965,749.97/360,360.82
  6. Step 6: Final answer
    x = 294,318.80

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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.