Home / 309,705.15-464,442.53-122,677.95

Finding the Fourth Proportional to 309,705.15, 464,442.53 and 122,677.95

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Solution

The fourth proportional to 309,705.15, 464,442.53 and 122,677.95 is: 183,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,705.15 : 464,442.53 = 122,677.95 : x
  2. Step 2: Convert to fraction form
    309,705.15/464,442.53 = 122,677.95/x
  3. Step 3: Cross multiply
    309,705.15x = 464,442.53 × 122,677.95
  4. Step 4: Simplify right side
    309,705.15x = 56,976,856,859.82
  5. Step 5: Solve for x
    x = 56,976,856,859.82/309,705.15
  6. Step 6: Final answer
    x = 183,971.29

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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.