Home / 318,769.83-478,099.26-119,091.87

Finding the Fourth Proportional to 318,769.83, 478,099.26 and 119,091.87

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Solution

The fourth proportional to 318,769.83, 478,099.26 and 119,091.87 is: 178,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,769.83 : 478,099.26 = 119,091.87 : x
  2. Step 2: Convert to fraction form
    318,769.83/478,099.26 = 119,091.87/x
  3. Step 3: Cross multiply
    318,769.83x = 478,099.26 × 119,091.87
  4. Step 4: Simplify right side
    318,769.83x = 56,937,734,919.02
  5. Step 5: Solve for x
    x = 56,937,734,919.02/318,769.83
  6. Step 6: Final answer
    x = 178,617.08

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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.