Home / 226,521.04-339,736.20-215,280.40

Finding the Fourth Proportional to 226,521.04, 339,736.20 and 215,280.40

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Solution

The fourth proportional to 226,521.04, 339,736.20 and 215,280.40 is: 322,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,521.04 : 339,736.20 = 215,280.40 : x
  2. Step 2: Convert to fraction form
    226,521.04/339,736.20 = 215,280.40/x
  3. Step 3: Cross multiply
    226,521.04x = 339,736.20 × 215,280.40
  4. Step 4: Simplify right side
    226,521.04x = 73,138,545,030.48
  5. Step 5: Solve for x
    x = 73,138,545,030.48/226,521.04
  6. Step 6: Final answer
    x = 322,877.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.