Home / 277,420.32-382,491.50-226,381.21

Finding the Fourth Proportional to 277,420.32, 382,491.50 and 226,381.21

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Solution

The fourth proportional to 277,420.32, 382,491.50 and 226,381.21 is: 312,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,420.32 : 382,491.50 = 226,381.21 : x
  2. Step 2: Convert to fraction form
    277,420.32/382,491.50 = 226,381.21/x
  3. Step 3: Cross multiply
    277,420.32x = 382,491.50 × 226,381.21
  4. Step 4: Simplify right side
    277,420.32x = 86,588,886,496.58
  5. Step 5: Solve for x
    x = 86,588,886,496.58/277,420.32
  6. Step 6: Final answer
    x = 312,121.64

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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.