Home / 213,603.28-320,453.52-113,710.84

Finding the Fourth Proportional to 213,603.28, 320,453.52 and 113,710.84

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Solution

The fourth proportional to 213,603.28, 320,453.52 and 113,710.84 is: 170,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,603.28 : 320,453.52 = 113,710.84 : x
  2. Step 2: Convert to fraction form
    213,603.28/320,453.52 = 113,710.84/x
  3. Step 3: Cross multiply
    213,603.28x = 320,453.52 × 113,710.84
  4. Step 4: Simplify right side
    213,603.28x = 36,439,037,712.61
  5. Step 5: Solve for x
    x = 36,439,037,712.61/213,603.28
  6. Step 6: Final answer
    x = 170,592.13

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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.