Home / 389,069.72-583,867.46-136,352.75

Finding the Fourth Proportional to 389,069.72, 583,867.46 and 136,352.75

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Solution

The fourth proportional to 389,069.72, 583,867.46 and 136,352.75 is: 204,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,069.72 : 583,867.46 = 136,352.75 : x
  2. Step 2: Convert to fraction form
    389,069.72/583,867.46 = 136,352.75/x
  3. Step 3: Cross multiply
    389,069.72x = 583,867.46 × 136,352.75
  4. Step 4: Simplify right side
    389,069.72x = 79,611,935,607.07
  5. Step 5: Solve for x
    x = 79,611,935,607.07/389,069.72
  6. Step 6: Final answer
    x = 204,621.26

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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.