Home / 626,070.88-939,223.20-205,467.04

Finding the Fourth Proportional to 626,070.88, 939,223.20 and 205,467.04

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Solution

The fourth proportional to 626,070.88, 939,223.20 and 205,467.04 is: 308,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,070.88 : 939,223.20 = 205,467.04 : x
  2. Step 2: Convert to fraction form
    626,070.88/939,223.20 = 205,467.04/x
  3. Step 3: Cross multiply
    626,070.88x = 939,223.20 × 205,467.04
  4. Step 4: Simplify right side
    626,070.88x = 192,979,410,803.33
  5. Step 5: Solve for x
    x = 192,979,410,803.33/626,070.88
  6. Step 6: Final answer
    x = 308,238.92

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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.