Home / 431,731.08-647,597.84-151,182.72

Finding the Fourth Proportional to 431,731.08, 647,597.84 and 151,182.72

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Solution

The fourth proportional to 431,731.08, 647,597.84 and 151,182.72 is: 226,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,731.08 : 647,597.84 = 151,182.72 : x
  2. Step 2: Convert to fraction form
    431,731.08/647,597.84 = 151,182.72/x
  3. Step 3: Cross multiply
    431,731.08x = 647,597.84 × 151,182.72
  4. Step 4: Simplify right side
    431,731.08x = 97,905,602,161.41
  5. Step 5: Solve for x
    x = 97,905,602,161.41/431,731.08
  6. Step 6: Final answer
    x = 226,774.51

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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.