Home / 320,919.06-442,875.06-175,730.95

Finding the Fourth Proportional to 320,919.06, 442,875.06 and 175,730.95

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Solution

The fourth proportional to 320,919.06, 442,875.06 and 175,730.95 is: 242,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,919.06 : 442,875.06 = 175,730.95 : x
  2. Step 2: Convert to fraction form
    320,919.06/442,875.06 = 175,730.95/x
  3. Step 3: Cross multiply
    320,919.06x = 442,875.06 × 175,730.95
  4. Step 4: Simplify right side
    320,919.06x = 77,826,855,578.70
  5. Step 5: Solve for x
    x = 77,826,855,578.70/320,919.06
  6. Step 6: Final answer
    x = 242,512.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.