Home / 286,069.24-428,840.56-98,949.52

Finding the Fourth Proportional to 286,069.24, 428,840.56 and 98,949.52

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Solution

The fourth proportional to 286,069.24, 428,840.56 and 98,949.52 is: 148,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,069.24 : 428,840.56 = 98,949.52 : x
  2. Step 2: Convert to fraction form
    286,069.24/428,840.56 = 98,949.52/x
  3. Step 3: Cross multiply
    286,069.24x = 428,840.56 × 98,949.52
  4. Step 4: Simplify right side
    286,069.24x = 42,433,567,568.53
  5. Step 5: Solve for x
    x = 42,433,567,568.53/286,069.24
  6. Step 6: Final answer
    x = 148,333.21

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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.