Home / 563,381.63-845,103.22-142,661.15

Finding the Fourth Proportional to 563,381.63, 845,103.22 and 142,661.15

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Solution

The fourth proportional to 563,381.63, 845,103.22 and 142,661.15 is: 213,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,381.63 : 845,103.22 = 142,661.15 : x
  2. Step 2: Convert to fraction form
    563,381.63/845,103.22 = 142,661.15/x
  3. Step 3: Cross multiply
    563,381.63x = 845,103.22 × 142,661.15
  4. Step 4: Simplify right side
    563,381.63x = 120,563,397,233.90
  5. Step 5: Solve for x
    x = 120,563,397,233.90/563,381.63
  6. Step 6: Final answer
    x = 213,999.52

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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.