Home / 350,121.36-524,841.96-278,870.16

Finding the Fourth Proportional to 350,121.36, 524,841.96 and 278,870.16

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Solution

The fourth proportional to 350,121.36, 524,841.96 and 278,870.16 is: 418,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,121.36 : 524,841.96 = 278,870.16 : x
  2. Step 2: Convert to fraction form
    350,121.36/524,841.96 = 278,870.16/x
  3. Step 3: Cross multiply
    350,121.36x = 524,841.96 × 278,870.16
  4. Step 4: Simplify right side
    350,121.36x = 146,362,761,359.91
  5. Step 5: Solve for x
    x = 146,362,761,359.91/350,121.36
  6. Step 6: Final answer
    x = 418,034.37

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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.