Home / 442,531.30-610,535.70-261,152.50

Finding the Fourth Proportional to 442,531.30, 610,535.70 and 261,152.50

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Solution

The fourth proportional to 442,531.30, 610,535.70 and 261,152.50 is: 360,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,531.30 : 610,535.70 = 261,152.50 : x
  2. Step 2: Convert to fraction form
    442,531.30/610,535.70 = 261,152.50/x
  3. Step 3: Cross multiply
    442,531.30x = 610,535.70 × 261,152.50
  4. Step 4: Simplify right side
    442,531.30x = 159,442,924,394.25
  5. Step 5: Solve for x
    x = 159,442,924,394.25/442,531.30
  6. Step 6: Final answer
    x = 360,297.51

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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.