Home / 398,790.06-598,298.08-162,302.46

Finding the Fourth Proportional to 398,790.06, 598,298.08 and 162,302.46

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Solution

The fourth proportional to 398,790.06, 598,298.08 and 162,302.46 is: 243,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,790.06 : 598,298.08 = 162,302.46 : x
  2. Step 2: Convert to fraction form
    398,790.06/598,298.08 = 162,302.46/x
  3. Step 3: Cross multiply
    398,790.06x = 598,298.08 × 162,302.46
  4. Step 4: Simplify right side
    398,790.06x = 97,105,250,197.28
  5. Step 5: Solve for x
    x = 97,105,250,197.28/398,790.06
  6. Step 6: Final answer
    x = 243,499.68

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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.