Home / 260,756.34-390,433.73-165,470.63

Finding the Fourth Proportional to 260,756.34, 390,433.73 and 165,470.63

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Solution

The fourth proportional to 260,756.34, 390,433.73 and 165,470.63 is: 247,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,756.34 : 390,433.73 = 165,470.63 : x
  2. Step 2: Convert to fraction form
    260,756.34/390,433.73 = 165,470.63/x
  3. Step 3: Cross multiply
    260,756.34x = 390,433.73 × 165,470.63
  4. Step 4: Simplify right side
    260,756.34x = 64,605,313,511.26
  5. Step 5: Solve for x
    x = 64,605,313,511.26/260,756.34
  6. Step 6: Final answer
    x = 247,761.24

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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.