Home / 338,099.20-507,032.04-98,148.05

Finding the Fourth Proportional to 338,099.20, 507,032.04 and 98,148.05

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Solution

The fourth proportional to 338,099.20, 507,032.04 and 98,148.05 is: 147,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,099.20 : 507,032.04 = 98,148.05 : x
  2. Step 2: Convert to fraction form
    338,099.20/507,032.04 = 98,148.05/x
  3. Step 3: Cross multiply
    338,099.20x = 507,032.04 × 98,148.05
  4. Step 4: Simplify right side
    338,099.20x = 49,764,206,013.52
  5. Step 5: Solve for x
    x = 49,764,206,013.52/338,099.20
  6. Step 6: Final answer
    x = 147,188.18

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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.