Home / 290,864.65-401,464.47-177,782.17

Finding the Fourth Proportional to 290,864.65, 401,464.47 and 177,782.17

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Solution

The fourth proportional to 290,864.65, 401,464.47 and 177,782.17 is: 245,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,864.65 : 401,464.47 = 177,782.17 : x
  2. Step 2: Convert to fraction form
    290,864.65/401,464.47 = 177,782.17/x
  3. Step 3: Cross multiply
    290,864.65x = 401,464.47 × 177,782.17
  4. Step 4: Simplify right side
    290,864.65x = 71,373,224,654.50
  5. Step 5: Solve for x
    x = 71,373,224,654.50/290,864.65
  6. Step 6: Final answer
    x = 245,382.95

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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.