Home / 389,231.70-583,847.55-104,921.70

Finding the Fourth Proportional to 389,231.70, 583,847.55 and 104,921.70

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Solution

The fourth proportional to 389,231.70, 583,847.55 and 104,921.70 is: 157,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,231.70 : 583,847.55 = 104,921.70 : x
  2. Step 2: Convert to fraction form
    389,231.70/583,847.55 = 104,921.70/x
  3. Step 3: Cross multiply
    389,231.70x = 583,847.55 × 104,921.70
  4. Step 4: Simplify right side
    389,231.70x = 61,258,277,486.84
  5. Step 5: Solve for x
    x = 61,258,277,486.84/389,231.70
  6. Step 6: Final answer
    x = 157,382.55

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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.