Home / 338,870.07-508,387.14-102,198.42

Finding the Fourth Proportional to 338,870.07, 508,387.14 and 102,198.42

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Solution

The fourth proportional to 338,870.07, 508,387.14 and 102,198.42 is: 153,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,870.07 : 508,387.14 = 102,198.42 : x
  2. Step 2: Convert to fraction form
    338,870.07/508,387.14 = 102,198.42/x
  3. Step 3: Cross multiply
    338,870.07x = 508,387.14 × 102,198.42
  4. Step 4: Simplify right side
    338,870.07x = 51,956,362,456.32
  5. Step 5: Solve for x
    x = 51,956,362,456.32/338,870.07
  6. Step 6: Final answer
    x = 153,322.37

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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.