Home / 239,333.36-330,336.32-148,757.74

Finding the Fourth Proportional to 239,333.36, 330,336.32 and 148,757.74

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Solution

The fourth proportional to 239,333.36, 330,336.32 and 148,757.74 is: 205,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,333.36 : 330,336.32 = 148,757.74 : x
  2. Step 2: Convert to fraction form
    239,333.36/330,336.32 = 148,757.74/x
  3. Step 3: Cross multiply
    239,333.36x = 330,336.32 × 148,757.74
  4. Step 4: Simplify right side
    239,333.36x = 49,140,084,403.12
  5. Step 5: Solve for x
    x = 49,140,084,403.12/239,333.36
  6. Step 6: Final answer
    x = 205,320.66

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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.