Home / 626,275.18-939,446.79-177,031.36

Finding the Fourth Proportional to 626,275.18, 939,446.79 and 177,031.36

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Solution

The fourth proportional to 626,275.18, 939,446.79 and 177,031.36 is: 265,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,275.18 : 939,446.79 = 177,031.36 : x
  2. Step 2: Convert to fraction form
    626,275.18/939,446.79 = 177,031.36/x
  3. Step 3: Cross multiply
    626,275.18x = 939,446.79 × 177,031.36
  4. Step 4: Simplify right side
    626,275.18x = 166,311,542,881.33
  5. Step 5: Solve for x
    x = 166,311,542,881.33/626,275.18
  6. Step 6: Final answer
    x = 265,556.66

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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.