Home / 626,315.20-939,282.72-177,000.64

Finding the Fourth Proportional to 626,315.20, 939,282.72 and 177,000.64

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Solution

The fourth proportional to 626,315.20, 939,282.72 and 177,000.64 is: 265,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,315.20 : 939,282.72 = 177,000.64 : x
  2. Step 2: Convert to fraction form
    626,315.20/939,282.72 = 177,000.64/x
  3. Step 3: Cross multiply
    626,315.20x = 939,282.72 × 177,000.64
  4. Step 4: Simplify right side
    626,315.20x = 166,253,642,580.94
  5. Step 5: Solve for x
    x = 166,253,642,580.94/626,315.20
  6. Step 6: Final answer
    x = 265,447.24

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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.