Home / 344,961.89-517,508.60-120,386.45

Finding the Fourth Proportional to 344,961.89, 517,508.60 and 120,386.45

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Solution

The fourth proportional to 344,961.89, 517,508.60 and 120,386.45 is: 180,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,961.89 : 517,508.60 = 120,386.45 : x
  2. Step 2: Convert to fraction form
    344,961.89/517,508.60 = 120,386.45/x
  3. Step 3: Cross multiply
    344,961.89x = 517,508.60 × 120,386.45
  4. Step 4: Simplify right side
    344,961.89x = 62,301,023,890.31
  5. Step 5: Solve for x
    x = 62,301,023,890.31/344,961.89
  6. Step 6: Final answer
    x = 180,602.63

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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.