Home / 401,356.80-553,794.30-237,983.04

Finding the Fourth Proportional to 401,356.80, 553,794.30 and 237,983.04

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Solution

The fourth proportional to 401,356.80, 553,794.30 and 237,983.04 is: 328,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,356.80 : 553,794.30 = 237,983.04 : x
  2. Step 2: Convert to fraction form
    401,356.80/553,794.30 = 237,983.04/x
  3. Step 3: Cross multiply
    401,356.80x = 553,794.30 × 237,983.04
  4. Step 4: Simplify right side
    401,356.80x = 131,793,651,048.67
  5. Step 5: Solve for x
    x = 131,793,651,048.67/401,356.80
  6. Step 6: Final answer
    x = 328,370.30

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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.