Home / 227,890.85-314,222.57-155,336.69

Finding the Fourth Proportional to 227,890.85, 314,222.57 and 155,336.69

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Solution

The fourth proportional to 227,890.85, 314,222.57 and 155,336.69 is: 214,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,890.85 : 314,222.57 = 155,336.69 : x
  2. Step 2: Convert to fraction form
    227,890.85/314,222.57 = 155,336.69/x
  3. Step 3: Cross multiply
    227,890.85x = 314,222.57 × 155,336.69
  4. Step 4: Simplify right side
    227,890.85x = 48,810,291,599.30
  5. Step 5: Solve for x
    x = 48,810,291,599.30/227,890.85
  6. Step 6: Final answer
    x = 214,182.77

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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.