Home / 389,440.89-537,444.77-219,674.97

Finding the Fourth Proportional to 389,440.89, 537,444.77 and 219,674.97

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Solution

The fourth proportional to 389,440.89, 537,444.77 and 219,674.97 is: 303,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,440.89 : 537,444.77 = 219,674.97 : x
  2. Step 2: Convert to fraction form
    389,440.89/537,444.77 = 219,674.97/x
  3. Step 3: Cross multiply
    389,440.89x = 537,444.77 × 219,674.97
  4. Step 4: Simplify right side
    389,440.89x = 118,063,163,726.41
  5. Step 5: Solve for x
    x = 118,063,163,726.41/389,440.89
  6. Step 6: Final answer
    x = 303,160.68

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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.