Home / 447,539.07-671,370.48-143,941.82

Finding the Fourth Proportional to 447,539.07, 671,370.48 and 143,941.82

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Solution

The fourth proportional to 447,539.07, 671,370.48 and 143,941.82 is: 215,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,539.07 : 671,370.48 = 143,941.82 : x
  2. Step 2: Convert to fraction form
    447,539.07/671,370.48 = 143,941.82/x
  3. Step 3: Cross multiply
    447,539.07x = 671,370.48 × 143,941.82
  4. Step 4: Simplify right side
    447,539.07x = 96,638,288,785.47
  5. Step 5: Solve for x
    x = 96,638,288,785.47/447,539.07
  6. Step 6: Final answer
    x = 215,932.63

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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.