Home / 389,969.40-584,565.30-179,239.80

Finding the Fourth Proportional to 389,969.40, 584,565.30 and 179,239.80

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Solution

The fourth proportional to 389,969.40, 584,565.30 and 179,239.80 is: 268,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,969.40 : 584,565.30 = 179,239.80 : x
  2. Step 2: Convert to fraction form
    389,969.40/584,565.30 = 179,239.80/x
  3. Step 3: Cross multiply
    389,969.40x = 584,565.30 × 179,239.80
  4. Step 4: Simplify right side
    389,969.40x = 104,777,367,458.94
  5. Step 5: Solve for x
    x = 104,777,367,458.94/389,969.40
  6. Step 6: Final answer
    x = 268,681.00

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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.