Home / 245,442.50-368,168.30-76,959.06

Finding the Fourth Proportional to 245,442.50, 368,168.30 and 76,959.06

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Solution

The fourth proportional to 245,442.50, 368,168.30 and 76,959.06 is: 115,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,442.50 : 368,168.30 = 76,959.06 : x
  2. Step 2: Convert to fraction form
    245,442.50/368,168.30 = 76,959.06/x
  3. Step 3: Cross multiply
    245,442.50x = 368,168.30 × 76,959.06
  4. Step 4: Simplify right side
    245,442.50x = 28,333,886,289.80
  5. Step 5: Solve for x
    x = 28,333,886,289.80/245,442.50
  6. Step 6: Final answer
    x = 115,440.02

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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.