Home / 442,531.80-610,536.39-261,153

Finding the Fourth Proportional to 442,531.80, 610,536.39 and 261,153

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Solution

The fourth proportional to 442,531.80, 610,536.39 and 261,153 is: 360,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,531.80 : 610,536.39 = 261,153 : x
  2. Step 2: Convert to fraction form
    442,531.80/610,536.39 = 261,153/x
  3. Step 3: Cross multiply
    442,531.80x = 610,536.39 × 261,153
  4. Step 4: Simplify right side
    442,531.80x = 159,443,409,857.67
  5. Step 5: Solve for x
    x = 159,443,409,857.67/442,531.80
  6. Step 6: Final answer
    x = 360,298.20

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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.