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Finding the Fourth Proportional to 324,597.30, 448,069.25 and 290,545.71

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Solution

The fourth proportional to 324,597.30, 448,069.25 and 290,545.71 is: 401,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,597.30 : 448,069.25 = 290,545.71 : x
  2. Step 2: Convert to fraction form
    324,597.30/448,069.25 = 290,545.71/x
  3. Step 3: Cross multiply
    324,597.30x = 448,069.25 × 290,545.71
  4. Step 4: Simplify right side
    324,597.30x = 130,184,598,370.42
  5. Step 5: Solve for x
    x = 130,184,598,370.42/324,597.30
  6. Step 6: Final answer
    x = 401,064.95

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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.