Home / 340,042.10-509,285.55-173,635.70

Finding the Fourth Proportional to 340,042.10, 509,285.55 and 173,635.70

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Solution

The fourth proportional to 340,042.10, 509,285.55 and 173,635.70 is: 260,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,042.10 : 509,285.55 = 173,635.70 : x
  2. Step 2: Convert to fraction form
    340,042.10/509,285.55 = 173,635.70/x
  3. Step 3: Cross multiply
    340,042.10x = 509,285.55 × 173,635.70
  4. Step 4: Simplify right side
    340,042.10x = 88,430,152,974.14
  5. Step 5: Solve for x
    x = 88,430,152,974.14/340,042.10
  6. Step 6: Final answer
    x = 260,056.48

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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.