Home / 209,276.28-313,569.36-120,604.32

Finding the Fourth Proportional to 209,276.28, 313,569.36 and 120,604.32

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Solution

The fourth proportional to 209,276.28, 313,569.36 and 120,604.32 is: 180,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,276.28 : 313,569.36 = 120,604.32 : x
  2. Step 2: Convert to fraction form
    209,276.28/313,569.36 = 120,604.32/x
  3. Step 3: Cross multiply
    209,276.28x = 313,569.36 × 120,604.32
  4. Step 4: Simplify right side
    209,276.28x = 37,817,819,435.64
  5. Step 5: Solve for x
    x = 37,817,819,435.64/209,276.28
  6. Step 6: Final answer
    x = 180,707.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.