Home / 389,484.03-584,255.59-105,170.44

Finding the Fourth Proportional to 389,484.03, 584,255.59 and 105,170.44

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Solution

The fourth proportional to 389,484.03, 584,255.59 and 105,170.44 is: 157,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,484.03 : 584,255.59 = 105,170.44 : x
  2. Step 2: Convert to fraction form
    389,484.03/584,255.59 = 105,170.44/x
  3. Step 3: Cross multiply
    389,484.03x = 584,255.59 × 105,170.44
  4. Step 4: Simplify right side
    389,484.03x = 61,446,415,749.19
  5. Step 5: Solve for x
    x = 61,446,415,749.19/389,484.03
  6. Step 6: Final answer
    x = 157,763.63

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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.