Home / 290,724.10-401,358.09-176,022.34

Finding the Fourth Proportional to 290,724.10, 401,358.09 and 176,022.34

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Solution

The fourth proportional to 290,724.10, 401,358.09 and 176,022.34 is: 243,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,724.10 : 401,358.09 = 176,022.34 : x
  2. Step 2: Convert to fraction form
    290,724.10/401,358.09 = 176,022.34/x
  3. Step 3: Cross multiply
    290,724.10x = 401,358.09 × 176,022.34
  4. Step 4: Simplify right side
    290,724.10x = 70,647,990,179.73
  5. Step 5: Solve for x
    x = 70,647,990,179.73/290,724.10
  6. Step 6: Final answer
    x = 243,007.00

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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.