Home / 209,221.49-284,863.04-208,557.19

Finding the Fourth Proportional to 209,221.49, 284,863.04 and 208,557.19

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Solution

The fourth proportional to 209,221.49, 284,863.04 and 208,557.19 is: 283,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,221.49 : 284,863.04 = 208,557.19 : x
  2. Step 2: Convert to fraction form
    209,221.49/284,863.04 = 208,557.19/x
  3. Step 3: Cross multiply
    209,221.49x = 284,863.04 × 208,557.19
  4. Step 4: Simplify right side
    209,221.49x = 59,410,235,157.26
  5. Step 5: Solve for x
    x = 59,410,235,157.26/209,221.49
  6. Step 6: Final answer
    x = 283,958.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.