Home / 389,818.14-584,749.08-109,357.26

Finding the Fourth Proportional to 389,818.14, 584,749.08 and 109,357.26

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Solution

The fourth proportional to 389,818.14, 584,749.08 and 109,357.26 is: 164,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,818.14 : 584,749.08 = 109,357.26 : x
  2. Step 2: Convert to fraction form
    389,818.14/584,749.08 = 109,357.26/x
  3. Step 3: Cross multiply
    389,818.14x = 584,749.08 × 109,357.26
  4. Step 4: Simplify right side
    389,818.14x = 63,946,557,176.32
  5. Step 5: Solve for x
    x = 63,946,557,176.32/389,818.14
  6. Step 6: Final answer
    x = 164,042.03

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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.