Home / 245,148.90-338,345.69-204,248.27

Finding the Fourth Proportional to 245,148.90, 338,345.69 and 204,248.27

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Solution

The fourth proportional to 245,148.90, 338,345.69 and 204,248.27 is: 281,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,148.90 : 338,345.69 = 204,248.27 : x
  2. Step 2: Convert to fraction form
    245,148.90/338,345.69 = 204,248.27/x
  3. Step 3: Cross multiply
    245,148.90x = 338,345.69 × 204,248.27
  4. Step 4: Simplify right side
    245,148.90x = 69,106,519,131.49
  5. Step 5: Solve for x
    x = 69,106,519,131.49/245,148.90
  6. Step 6: Final answer
    x = 281,896.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.