Home / 278,313.69-384,073.04-150,989.25

Finding the Fourth Proportional to 278,313.69, 384,073.04 and 150,989.25

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Solution

The fourth proportional to 278,313.69, 384,073.04 and 150,989.25 is: 208,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,313.69 : 384,073.04 = 150,989.25 : x
  2. Step 2: Convert to fraction form
    278,313.69/384,073.04 = 150,989.25/x
  3. Step 3: Cross multiply
    278,313.69x = 384,073.04 × 150,989.25
  4. Step 4: Simplify right side
    278,313.69x = 57,990,899,499.87
  5. Step 5: Solve for x
    x = 57,990,899,499.87/278,313.69
  6. Step 6: Final answer
    x = 208,365.24

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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.