Home / 290,329.07-400,643.79-163,010.03

Finding the Fourth Proportional to 290,329.07, 400,643.79 and 163,010.03

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Solution

The fourth proportional to 290,329.07, 400,643.79 and 163,010.03 is: 224,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,329.07 : 400,643.79 = 163,010.03 : x
  2. Step 2: Convert to fraction form
    290,329.07/400,643.79 = 163,010.03/x
  3. Step 3: Cross multiply
    290,329.07x = 400,643.79 × 163,010.03
  4. Step 4: Simplify right side
    290,329.07x = 65,308,956,227.21
  5. Step 5: Solve for x
    x = 65,308,956,227.21/290,329.07
  6. Step 6: Final answer
    x = 224,948.04

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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.