Home / 291,948.96-402,999.12-191,353.44

Finding the Fourth Proportional to 291,948.96, 402,999.12 and 191,353.44

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Solution

The fourth proportional to 291,948.96, 402,999.12 and 191,353.44 is: 264,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,948.96 : 402,999.12 = 191,353.44 : x
  2. Step 2: Convert to fraction form
    291,948.96/402,999.12 = 191,353.44/x
  3. Step 3: Cross multiply
    291,948.96x = 402,999.12 × 191,353.44
  4. Step 4: Simplify right side
    291,948.96x = 77,115,267,928.97
  5. Step 5: Solve for x
    x = 77,115,267,928.97/291,948.96
  6. Step 6: Final answer
    x = 264,139.55

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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.