Home / 380,622.24-525,220.20-227,630.05

Finding the Fourth Proportional to 380,622.24, 525,220.20 and 227,630.05

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Solution

The fourth proportional to 380,622.24, 525,220.20 and 227,630.05 is: 314,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,622.24 : 525,220.20 = 227,630.05 : x
  2. Step 2: Convert to fraction form
    380,622.24/525,220.20 = 227,630.05/x
  3. Step 3: Cross multiply
    380,622.24x = 525,220.20 × 227,630.05
  4. Step 4: Simplify right side
    380,622.24x = 119,555,899,073.96
  5. Step 5: Solve for x
    x = 119,555,899,073.96/380,622.24
  6. Step 6: Final answer
    x = 314,106.45

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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.