Home / 291,530.25-402,174.23-170,596.66

Finding the Fourth Proportional to 291,530.25, 402,174.23 and 170,596.66

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Solution

The fourth proportional to 291,530.25, 402,174.23 and 170,596.66 is: 235,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,530.25 : 402,174.23 = 170,596.66 : x
  2. Step 2: Convert to fraction form
    291,530.25/402,174.23 = 170,596.66/x
  3. Step 3: Cross multiply
    291,530.25x = 402,174.23 × 170,596.66
  4. Step 4: Simplify right side
    291,530.25x = 68,609,580,376.07
  5. Step 5: Solve for x
    x = 68,609,580,376.07/291,530.25
  6. Step 6: Final answer
    x = 235,342.92

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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.