Home / 259,402.12-389,204.70-101,603.32

Finding the Fourth Proportional to 259,402.12, 389,204.70 and 101,603.32

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Solution

The fourth proportional to 259,402.12, 389,204.70 and 101,603.32 is: 152,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,402.12 : 389,204.70 = 101,603.32 : x
  2. Step 2: Convert to fraction form
    259,402.12/389,204.70 = 101,603.32/x
  3. Step 3: Cross multiply
    259,402.12x = 389,204.70 × 101,603.32
  4. Step 4: Simplify right side
    259,402.12x = 39,544,489,679.60
  5. Step 5: Solve for x
    x = 39,544,489,679.60/259,402.12
  6. Step 6: Final answer
    x = 152,444.74

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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.