Home / 245,728.08-368,591.85-77,263.11

Finding the Fourth Proportional to 245,728.08, 368,591.85 and 77,263.11

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Solution

The fourth proportional to 245,728.08, 368,591.85 and 77,263.11 is: 115,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,728.08 : 368,591.85 = 77,263.11 : x
  2. Step 2: Convert to fraction form
    245,728.08/368,591.85 = 77,263.11/x
  3. Step 3: Cross multiply
    245,728.08x = 368,591.85 × 77,263.11
  4. Step 4: Simplify right side
    245,728.08x = 28,478,552,651.65
  5. Step 5: Solve for x
    x = 28,478,552,651.65/245,728.08
  6. Step 6: Final answer
    x = 115,894.58

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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.