Home / 389,209.40-583,838.74-164,540.26

Finding the Fourth Proportional to 389,209.40, 583,838.74 and 164,540.26

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Solution

The fourth proportional to 389,209.40, 583,838.74 and 164,540.26 is: 246,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,209.40 : 583,838.74 = 164,540.26 : x
  2. Step 2: Convert to fraction form
    389,209.40/583,838.74 = 164,540.26/x
  3. Step 3: Cross multiply
    389,209.40x = 583,838.74 × 164,540.26
  4. Step 4: Simplify right side
    389,209.40x = 96,064,978,087.61
  5. Step 5: Solve for x
    x = 96,064,978,087.61/389,209.40
  6. Step 6: Final answer
    x = 246,820.80

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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.