Home / 389,791.03-584,724.75-162,039.55

Finding the Fourth Proportional to 389,791.03, 584,724.75 and 162,039.55

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Solution

The fourth proportional to 389,791.03, 584,724.75 and 162,039.55 is: 243,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,791.03 : 584,724.75 = 162,039.55 : x
  2. Step 2: Convert to fraction form
    389,791.03/584,724.75 = 162,039.55/x
  3. Step 3: Cross multiply
    389,791.03x = 584,724.75 × 162,039.55
  4. Step 4: Simplify right side
    389,791.03x = 94,748,535,363.86
  5. Step 5: Solve for x
    x = 94,748,535,363.86/389,791.03
  6. Step 6: Final answer
    x = 243,075.21

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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.