Home / 245,403.24-368,094.15-76,919.72

Finding the Fourth Proportional to 245,403.24, 368,094.15 and 76,919.72

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Solution

The fourth proportional to 245,403.24, 368,094.15 and 76,919.72 is: 115,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,403.24 : 368,094.15 = 76,919.72 : x
  2. Step 2: Convert to fraction form
    245,403.24/368,094.15 = 76,919.72/x
  3. Step 3: Cross multiply
    245,403.24x = 368,094.15 × 76,919.72
  4. Step 4: Simplify right side
    245,403.24x = 28,313,700,160.32
  5. Step 5: Solve for x
    x = 28,313,700,160.32/245,403.24
  6. Step 6: Final answer
    x = 115,376.23

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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.