Home / 384,087.06-576,141.12-103,603.50

Finding the Fourth Proportional to 384,087.06, 576,141.12 and 103,603.50

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Solution

The fourth proportional to 384,087.06, 576,141.12 and 103,603.50 is: 155,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,087.06 : 576,141.12 = 103,603.50 : x
  2. Step 2: Convert to fraction form
    384,087.06/576,141.12 = 103,603.50/x
  3. Step 3: Cross multiply
    384,087.06x = 576,141.12 × 103,603.50
  4. Step 4: Simplify right side
    384,087.06x = 59,690,236,525.92
  5. Step 5: Solve for x
    x = 59,690,236,525.92/384,087.06
  6. Step 6: Final answer
    x = 155,408.09

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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.