Home / 245,341.20-368,246.70-127,097.40

Finding the Fourth Proportional to 245,341.20, 368,246.70 and 127,097.40

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Solution

The fourth proportional to 245,341.20, 368,246.70 and 127,097.40 is: 190,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,341.20 : 368,246.70 = 127,097.40 : x
  2. Step 2: Convert to fraction form
    245,341.20/368,246.70 = 127,097.40/x
  3. Step 3: Cross multiply
    245,341.20x = 368,246.70 × 127,097.40
  4. Step 4: Simplify right side
    245,341.20x = 46,803,198,128.58
  5. Step 5: Solve for x
    x = 46,803,198,128.58/245,341.20
  6. Step 6: Final answer
    x = 190,767.79

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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.