Home / 251,637.41-377,482.32-80,815.97

Finding the Fourth Proportional to 251,637.41, 377,482.32 and 80,815.97

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Solution

The fourth proportional to 251,637.41, 377,482.32 and 80,815.97 is: 121,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,637.41 : 377,482.32 = 80,815.97 : x
  2. Step 2: Convert to fraction form
    251,637.41/377,482.32 = 80,815.97/x
  3. Step 3: Cross multiply
    251,637.41x = 377,482.32 × 80,815.97
  4. Step 4: Simplify right side
    251,637.41x = 30,506,599,848.65
  5. Step 5: Solve for x
    x = 30,506,599,848.65/251,637.41
  6. Step 6: Final answer
    x = 121,232.37

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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.