Home / 487,427.37-730,961.97-167,488.51

Finding the Fourth Proportional to 487,427.37, 730,961.97 and 167,488.51

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Solution

The fourth proportional to 487,427.37, 730,961.97 and 167,488.51 is: 251,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,427.37 : 730,961.97 = 167,488.51 : x
  2. Step 2: Convert to fraction form
    487,427.37/730,961.97 = 167,488.51/x
  3. Step 3: Cross multiply
    487,427.37x = 730,961.97 × 167,488.51
  4. Step 4: Simplify right side
    487,427.37x = 122,427,731,079.15
  5. Step 5: Solve for x
    x = 122,427,731,079.15/487,427.37
  6. Step 6: Final answer
    x = 251,171.23

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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.