Home / 278,309.16-384,063.66-150,983.64

Finding the Fourth Proportional to 278,309.16, 384,063.66 and 150,983.64

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Solution

The fourth proportional to 278,309.16, 384,063.66 and 150,983.64 is: 208,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,309.16 : 384,063.66 = 150,983.64 : x
  2. Step 2: Convert to fraction form
    278,309.16/384,063.66 = 150,983.64/x
  3. Step 3: Cross multiply
    278,309.16x = 384,063.66 × 150,983.64
  4. Step 4: Simplify right side
    278,309.16x = 57,987,329,378.52
  5. Step 5: Solve for x
    x = 57,987,329,378.52/278,309.16
  6. Step 6: Final answer
    x = 208,355.81

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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.