Home / 351,448.12-485,006.70-200,559.16

Finding the Fourth Proportional to 351,448.12, 485,006.70 and 200,559.16

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Solution

The fourth proportional to 351,448.12, 485,006.70 and 200,559.16 is: 276,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,448.12 : 485,006.70 = 200,559.16 : x
  2. Step 2: Convert to fraction form
    351,448.12/485,006.70 = 200,559.16/x
  3. Step 3: Cross multiply
    351,448.12x = 485,006.70 × 200,559.16
  4. Step 4: Simplify right side
    351,448.12x = 97,272,536,346.37
  5. Step 5: Solve for x
    x = 97,272,536,346.37/351,448.12
  6. Step 6: Final answer
    x = 276,776.37

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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.