Home / 380,219.10-524,647.44-210,452.82

Finding the Fourth Proportional to 380,219.10, 524,647.44 and 210,452.82

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Solution

The fourth proportional to 380,219.10, 524,647.44 and 210,452.82 is: 290,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,219.10 : 524,647.44 = 210,452.82 : x
  2. Step 2: Convert to fraction form
    380,219.10/524,647.44 = 210,452.82/x
  3. Step 3: Cross multiply
    380,219.10x = 524,647.44 × 210,452.82
  4. Step 4: Simplify right side
    380,219.10x = 110,413,533,253.78
  5. Step 5: Solve for x
    x = 110,413,533,253.78/380,219.10
  6. Step 6: Final answer
    x = 290,394.49

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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.