Home / 309,531.24-464,296.86-247,595.40

Finding the Fourth Proportional to 309,531.24, 464,296.86 and 247,595.40

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Solution

The fourth proportional to 309,531.24, 464,296.86 and 247,595.40 is: 371,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,531.24 : 464,296.86 = 247,595.40 : x
  2. Step 2: Convert to fraction form
    309,531.24/464,296.86 = 247,595.40/x
  3. Step 3: Cross multiply
    309,531.24x = 464,296.86 × 247,595.40
  4. Step 4: Simplify right side
    309,531.24x = 114,957,766,770.44
  5. Step 5: Solve for x
    x = 114,957,766,770.44/309,531.24
  6. Step 6: Final answer
    x = 371,393.10

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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.