Home / 431,988.08-648,271.35-179,268.83

Finding the Fourth Proportional to 431,988.08, 648,271.35 and 179,268.83

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Solution

The fourth proportional to 431,988.08, 648,271.35 and 179,268.83 is: 269,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,988.08 : 648,271.35 = 179,268.83 : x
  2. Step 2: Convert to fraction form
    431,988.08/648,271.35 = 179,268.83/x
  3. Step 3: Cross multiply
    431,988.08x = 648,271.35 × 179,268.83
  4. Step 4: Simplify right side
    431,988.08x = 116,214,846,437.02
  5. Step 5: Solve for x
    x = 116,214,846,437.02/431,988.08
  6. Step 6: Final answer
    x = 269,023.27

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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.