Home / 626,376.20-939,559.78-153,057.20

Finding the Fourth Proportional to 626,376.20, 939,559.78 and 153,057.20

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Solution

The fourth proportional to 626,376.20, 939,559.78 and 153,057.20 is: 229,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,376.20 : 939,559.78 = 153,057.20 : x
  2. Step 2: Convert to fraction form
    626,376.20/939,559.78 = 153,057.20/x
  3. Step 3: Cross multiply
    626,376.20x = 939,559.78 × 153,057.20
  4. Step 4: Simplify right side
    626,376.20x = 143,806,389,159.42
  5. Step 5: Solve for x
    x = 143,806,389,159.42/626,376.20
  6. Step 6: Final answer
    x = 229,584.70

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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.