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Finding the Fourth Proportional to 240,202.98, 359,779.59 and 121,670.82

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Solution

The fourth proportional to 240,202.98, 359,779.59 and 121,670.82 is: 182,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,202.98 : 359,779.59 = 121,670.82 : x
  2. Step 2: Convert to fraction form
    240,202.98/359,779.59 = 121,670.82/x
  3. Step 3: Cross multiply
    240,202.98x = 359,779.59 × 121,670.82
  4. Step 4: Simplify right side
    240,202.98x = 43,774,677,734.56
  5. Step 5: Solve for x
    x = 43,774,677,734.56/240,202.98
  6. Step 6: Final answer
    x = 182,240.36

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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.