Home / 335,711.40-463,379.55-219,441.78

Finding the Fourth Proportional to 335,711.40, 463,379.55 and 219,441.78

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Solution

The fourth proportional to 335,711.40, 463,379.55 and 219,441.78 is: 302,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,711.40 : 463,379.55 = 219,441.78 : x
  2. Step 2: Convert to fraction form
    335,711.40/463,379.55 = 219,441.78/x
  3. Step 3: Cross multiply
    335,711.40x = 463,379.55 × 219,441.78
  4. Step 4: Simplify right side
    335,711.40x = 101,684,833,267.60
  5. Step 5: Solve for x
    x = 101,684,833,267.60/335,711.40
  6. Step 6: Final answer
    x = 302,893.60

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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.