Home / 389,284.54-583,897.65-108,823.66

Finding the Fourth Proportional to 389,284.54, 583,897.65 and 108,823.66

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Solution

The fourth proportional to 389,284.54, 583,897.65 and 108,823.66 is: 163,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,284.54 : 583,897.65 = 108,823.66 : x
  2. Step 2: Convert to fraction form
    389,284.54/583,897.65 = 108,823.66/x
  3. Step 3: Cross multiply
    389,284.54x = 583,897.65 × 108,823.66
  4. Step 4: Simplify right side
    389,284.54x = 63,541,879,338.40
  5. Step 5: Solve for x
    x = 63,541,879,338.40/389,284.54
  6. Step 6: Final answer
    x = 163,227.34

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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.