Home / 353,557.70-487,962.19-208,317.14

Finding the Fourth Proportional to 353,557.70, 487,962.19 and 208,317.14

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Solution

The fourth proportional to 353,557.70, 487,962.19 and 208,317.14 is: 287,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,557.70 : 487,962.19 = 208,317.14 : x
  2. Step 2: Convert to fraction form
    353,557.70/487,962.19 = 208,317.14/x
  3. Step 3: Cross multiply
    353,557.70x = 487,962.19 × 208,317.14
  4. Step 4: Simplify right side
    353,557.70x = 101,650,887,848.94
  5. Step 5: Solve for x
    x = 101,650,887,848.94/353,557.70
  6. Step 6: Final answer
    x = 287,508.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.