Home / 432,235.40-648,437.13-165,976.34

Finding the Fourth Proportional to 432,235.40, 648,437.13 and 165,976.34

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Solution

The fourth proportional to 432,235.40, 648,437.13 and 165,976.34 is: 248,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,235.40 : 648,437.13 = 165,976.34 : x
  2. Step 2: Convert to fraction form
    432,235.40/648,437.13 = 165,976.34/x
  3. Step 3: Cross multiply
    432,235.40x = 648,437.13 × 165,976.34
  4. Step 4: Simplify right side
    432,235.40x = 107,625,218,315.32
  5. Step 5: Solve for x
    x = 107,625,218,315.32/432,235.40
  6. Step 6: Final answer
    x = 248,996.77

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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.