Home / 377,626.22-521,173.95-226,732.94

Finding the Fourth Proportional to 377,626.22, 521,173.95 and 226,732.94

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Solution

The fourth proportional to 377,626.22, 521,173.95 and 226,732.94 is: 312,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,626.22 : 521,173.95 = 226,732.94 : x
  2. Step 2: Convert to fraction form
    377,626.22/521,173.95 = 226,732.94/x
  3. Step 3: Cross multiply
    377,626.22x = 521,173.95 × 226,732.94
  4. Step 4: Simplify right side
    377,626.22x = 118,167,301,934.91
  5. Step 5: Solve for x
    x = 118,167,301,934.91/377,626.22
  6. Step 6: Final answer
    x = 312,921.34

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1.5x scale

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.