Home / 245,283.14-338,493.66-148,485.62

Finding the Fourth Proportional to 245,283.14, 338,493.66 and 148,485.62

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Solution

The fourth proportional to 245,283.14, 338,493.66 and 148,485.62 is: 204,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,283.14 : 338,493.66 = 148,485.62 : x
  2. Step 2: Convert to fraction form
    245,283.14/338,493.66 = 148,485.62/x
  3. Step 3: Cross multiply
    245,283.14x = 338,493.66 × 148,485.62
  4. Step 4: Simplify right side
    245,283.14x = 50,261,440,971.17
  5. Step 5: Solve for x
    x = 50,261,440,971.17/245,283.14
  6. Step 6: Final answer
    x = 204,911.93

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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.