Home / 409,385.04-614,133.54-143,083.86

Finding the Fourth Proportional to 409,385.04, 614,133.54 and 143,083.86

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Solution

The fourth proportional to 409,385.04, 614,133.54 and 143,083.86 is: 214,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,385.04 : 614,133.54 = 143,083.86 : x
  2. Step 2: Convert to fraction form
    409,385.04/614,133.54 = 143,083.86/x
  3. Step 3: Cross multiply
    409,385.04x = 614,133.54 × 143,083.86
  4. Step 4: Simplify right side
    409,385.04x = 87,872,597,458.66
  5. Step 5: Solve for x
    x = 87,872,597,458.66/409,385.04
  6. Step 6: Final answer
    x = 214,645.36

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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.