Home / 245,518.25-368,292.94-77,045.23

Finding the Fourth Proportional to 245,518.25, 368,292.94 and 77,045.23

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Solution

The fourth proportional to 245,518.25, 368,292.94 and 77,045.23 is: 115,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,518.25 : 368,292.94 = 77,045.23 : x
  2. Step 2: Convert to fraction form
    245,518.25/368,292.94 = 77,045.23/x
  3. Step 3: Cross multiply
    245,518.25x = 368,292.94 × 77,045.23
  4. Step 4: Simplify right side
    245,518.25x = 28,375,212,465.78
  5. Step 5: Solve for x
    x = 28,375,212,465.78/245,518.25
  6. Step 6: Final answer
    x = 115,572.72

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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.