Home / 281,441.22-388,353.33-224,225.67

Finding the Fourth Proportional to 281,441.22, 388,353.33 and 224,225.67

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Solution

The fourth proportional to 281,441.22, 388,353.33 and 224,225.67 is: 309,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,441.22 : 388,353.33 = 224,225.67 : x
  2. Step 2: Convert to fraction form
    281,441.22/388,353.33 = 224,225.67/x
  3. Step 3: Cross multiply
    281,441.22x = 388,353.33 × 224,225.67
  4. Step 4: Simplify right side
    281,441.22x = 87,078,785,615.98
  5. Step 5: Solve for x
    x = 87,078,785,615.98/281,441.22
  6. Step 6: Final answer
    x = 309,403.10

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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.