Home / 861,360.32-1,291,941.89-230,323.34

Finding the Fourth Proportional to 861,360.32, 1,291,941.89 and 230,323.34

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Solution

The fourth proportional to 861,360.32, 1,291,941.89 and 230,323.34 is: 345,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,360.32 : 1,291,941.89 = 230,323.34 : x
  2. Step 2: Convert to fraction form
    861,360.32/1,291,941.89 = 230,323.34/x
  3. Step 3: Cross multiply
    861,360.32x = 1,291,941.89 × 230,323.34
  4. Step 4: Simplify right side
    861,360.32x = 297,564,371,190.71
  5. Step 5: Solve for x
    x = 297,564,371,190.71/861,360.32
  6. Step 6: Final answer
    x = 345,458.65

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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.