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Finding the Fourth Proportional to 326,546.90, 489,301.95 and 242,566.10

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Solution

The fourth proportional to 326,546.90, 489,301.95 and 242,566.10 is: 363,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,546.90 : 489,301.95 = 242,566.10 : x
  2. Step 2: Convert to fraction form
    326,546.90/489,301.95 = 242,566.10/x
  3. Step 3: Cross multiply
    326,546.90x = 489,301.95 × 242,566.10
  4. Step 4: Simplify right side
    326,546.90x = 118,688,065,733.90
  5. Step 5: Solve for x
    x = 118,688,065,733.90/326,546.90
  6. Step 6: Final answer
    x = 363,464.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.