Home / 347,431.24-521,223.36-197,741.98

Finding the Fourth Proportional to 347,431.24, 521,223.36 and 197,741.98

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Solution

The fourth proportional to 347,431.24, 521,223.36 and 197,741.98 is: 296,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,431.24 : 521,223.36 = 197,741.98 : x
  2. Step 2: Convert to fraction form
    347,431.24/521,223.36 = 197,741.98/x
  3. Step 3: Cross multiply
    347,431.24x = 521,223.36 × 197,741.98
  4. Step 4: Simplify right side
    347,431.24x = 103,067,739,228.65
  5. Step 5: Solve for x
    x = 103,067,739,228.65/347,431.24
  6. Step 6: Final answer
    x = 296,656.51

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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.