Home / 389,622.83-584,467.52-136,881.36

Finding the Fourth Proportional to 389,622.83, 584,467.52 and 136,881.36

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Solution

The fourth proportional to 389,622.83, 584,467.52 and 136,881.36 is: 205,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,622.83 : 584,467.52 = 136,881.36 : x
  2. Step 2: Convert to fraction form
    389,622.83/584,467.52 = 136,881.36/x
  3. Step 3: Cross multiply
    389,622.83x = 584,467.52 × 136,881.36
  4. Step 4: Simplify right side
    389,622.83x = 80,002,708,329.02
  5. Step 5: Solve for x
    x = 80,002,708,329.02/389,622.83
  6. Step 6: Final answer
    x = 205,333.73

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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.