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Finding the Fourth Proportional to 248,077.65, 372,303.69 and 181,689.89

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Solution

The fourth proportional to 248,077.65, 372,303.69 and 181,689.89 is: 272,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,077.65 : 372,303.69 = 181,689.89 : x
  2. Step 2: Convert to fraction form
    248,077.65/372,303.69 = 181,689.89/x
  3. Step 3: Cross multiply
    248,077.65x = 372,303.69 × 181,689.89
  4. Step 4: Simplify right side
    248,077.65x = 67,643,814,621.18
  5. Step 5: Solve for x
    x = 67,643,814,621.18/248,077.65
  6. Step 6: Final answer
    x = 272,671.94

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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.