Home / 278,887.46-384,723-182,147.99

Finding the Fourth Proportional to 278,887.46, 384,723 and 182,147.99

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Solution

The fourth proportional to 278,887.46, 384,723 and 182,147.99 is: 251,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,887.46 : 384,723 = 182,147.99 : x
  2. Step 2: Convert to fraction form
    278,887.46/384,723 = 182,147.99/x
  3. Step 3: Cross multiply
    278,887.46x = 384,723 × 182,147.99
  4. Step 4: Simplify right side
    278,887.46x = 70,076,519,233.16
  5. Step 5: Solve for x
    x = 70,076,519,233.16/278,887.46
  6. Step 6: Final answer
    x = 251,271.68

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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.