Home / 389,817.35-584,764.32-162,065.93

Finding the Fourth Proportional to 389,817.35, 584,764.32 and 162,065.93

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Solution

The fourth proportional to 389,817.35, 584,764.32 and 162,065.93 is: 243,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,817.35 : 584,764.32 = 162,065.93 : x
  2. Step 2: Convert to fraction form
    389,817.35/584,764.32 = 162,065.93/x
  3. Step 3: Cross multiply
    389,817.35x = 584,764.32 × 162,065.93
  4. Step 4: Simplify right side
    389,817.35x = 94,770,370,427.80
  5. Step 5: Solve for x
    x = 94,770,370,427.80/389,817.35
  6. Step 6: Final answer
    x = 243,114.81

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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.