Home / 389,534.23-584,365.97-136,749.16

Finding the Fourth Proportional to 389,534.23, 584,365.97 and 136,749.16

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Solution

The fourth proportional to 389,534.23, 584,365.97 and 136,749.16 is: 205,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,534.23 : 584,365.97 = 136,749.16 : x
  2. Step 2: Convert to fraction form
    389,534.23/584,365.97 = 136,749.16/x
  3. Step 3: Cross multiply
    389,534.23x = 584,365.97 × 136,749.16
  4. Step 4: Simplify right side
    389,534.23x = 79,911,555,530.09
  5. Step 5: Solve for x
    x = 79,911,555,530.09/389,534.23
  6. Step 6: Final answer
    x = 205,146.43

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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.