Home / 281,774.18-422,685.34-155,501.59

Finding the Fourth Proportional to 281,774.18, 422,685.34 and 155,501.59

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Solution

The fourth proportional to 281,774.18, 422,685.34 and 155,501.59 is: 233,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,774.18 : 422,685.34 = 155,501.59 : x
  2. Step 2: Convert to fraction form
    281,774.18/422,685.34 = 155,501.59/x
  3. Step 3: Cross multiply
    281,774.18x = 422,685.34 × 155,501.59
  4. Step 4: Simplify right side
    281,774.18x = 65,728,242,439.69
  5. Step 5: Solve for x
    x = 65,728,242,439.69/281,774.18
  6. Step 6: Final answer
    x = 233,265.67

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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.