Home / 389,790.03-584,723.25-162,038.55

Finding the Fourth Proportional to 389,790.03, 584,723.25 and 162,038.55

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Solution

The fourth proportional to 389,790.03, 584,723.25 and 162,038.55 is: 243,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,790.03 : 584,723.25 = 162,038.55 : x
  2. Step 2: Convert to fraction form
    389,790.03/584,723.25 = 162,038.55/x
  3. Step 3: Cross multiply
    389,790.03x = 584,723.25 × 162,038.55
  4. Step 4: Simplify right side
    389,790.03x = 94,747,707,581.29
  5. Step 5: Solve for x
    x = 94,747,707,581.29/389,790.03
  6. Step 6: Final answer
    x = 243,073.71

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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.