Home / 290,623.14-401,095.80-163,296

Finding the Fourth Proportional to 290,623.14, 401,095.80 and 163,296

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Solution

The fourth proportional to 290,623.14, 401,095.80 and 163,296 is: 225,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,623.14 : 401,095.80 = 163,296 : x
  2. Step 2: Convert to fraction form
    290,623.14/401,095.80 = 163,296/x
  3. Step 3: Cross multiply
    290,623.14x = 401,095.80 × 163,296
  4. Step 4: Simplify right side
    290,623.14x = 65,497,339,756.80
  5. Step 5: Solve for x
    x = 65,497,339,756.80/290,623.14
  6. Step 6: Final answer
    x = 225,368.63

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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.