Home / 291,377.12-402,099.22-162,317.10

Finding the Fourth Proportional to 291,377.12, 402,099.22 and 162,317.10

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Solution

The fourth proportional to 291,377.12, 402,099.22 and 162,317.10 is: 223,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,377.12 : 402,099.22 = 162,317.10 : x
  2. Step 2: Convert to fraction form
    291,377.12/402,099.22 = 162,317.10/x
  3. Step 3: Cross multiply
    291,377.12x = 402,099.22 × 162,317.10
  4. Step 4: Simplify right side
    291,377.12x = 65,267,579,302.66
  5. Step 5: Solve for x
    x = 65,267,579,302.66/291,377.12
  6. Step 6: Final answer
    x = 223,996.93

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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.