Home / 850,178.75-1,275,436.29-242,972.51

Finding the Fourth Proportional to 850,178.75, 1,275,436.29 and 242,972.51

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Solution

The fourth proportional to 850,178.75, 1,275,436.29 and 242,972.51 is: 364,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,178.75 : 1,275,436.29 = 242,972.51 : x
  2. Step 2: Convert to fraction form
    850,178.75/1,275,436.29 = 242,972.51/x
  3. Step 3: Cross multiply
    850,178.75x = 1,275,436.29 × 242,972.51
  4. Step 4: Simplify right side
    850,178.75x = 309,895,956,726.39
  5. Step 5: Solve for x
    x = 309,895,956,726.39/850,178.75
  6. Step 6: Final answer
    x = 364,506.82

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1.5x scale

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.