Home / 351,451.67-485,002.60-190,306.22

Finding the Fourth Proportional to 351,451.67, 485,002.60 and 190,306.22

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Solution

The fourth proportional to 351,451.67, 485,002.60 and 190,306.22 is: 262,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,451.67 : 485,002.60 = 190,306.22 : x
  2. Step 2: Convert to fraction form
    351,451.67/485,002.60 = 190,306.22/x
  3. Step 3: Cross multiply
    351,451.67x = 485,002.60 × 190,306.22
  4. Step 4: Simplify right side
    351,451.67x = 92,299,011,496.17
  5. Step 5: Solve for x
    x = 92,299,011,496.17/351,451.67
  6. Step 6: Final answer
    x = 262,622.20

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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.