Home / 389,186.86-583,780.30-179,001.58

Finding the Fourth Proportional to 389,186.86, 583,780.30 and 179,001.58

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Solution

The fourth proportional to 389,186.86, 583,780.30 and 179,001.58 is: 268,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,186.86 : 583,780.30 = 179,001.58 : x
  2. Step 2: Convert to fraction form
    389,186.86/583,780.30 = 179,001.58/x
  3. Step 3: Cross multiply
    389,186.86x = 583,780.30 × 179,001.58
  4. Step 4: Simplify right side
    389,186.86x = 104,497,596,072.87
  5. Step 5: Solve for x
    x = 104,497,596,072.87/389,186.86
  6. Step 6: Final answer
    x = 268,502.37

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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.