Home / 278,315.26-384,073.45-150,988.12

Finding the Fourth Proportional to 278,315.26, 384,073.45 and 150,988.12

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Solution

The fourth proportional to 278,315.26, 384,073.45 and 150,988.12 is: 208,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,315.26 : 384,073.45 = 150,988.12 : x
  2. Step 2: Convert to fraction form
    278,315.26/384,073.45 = 150,988.12/x
  3. Step 3: Cross multiply
    278,315.26x = 384,073.45 × 150,988.12
  4. Step 4: Simplify right side
    278,315.26x = 57,990,528,157.41
  5. Step 5: Solve for x
    x = 57,990,528,157.41/278,315.26
  6. Step 6: Final answer
    x = 208,362.73

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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.