Home / 320,845.16-481,740.86-178,967.64

Finding the Fourth Proportional to 320,845.16, 481,740.86 and 178,967.64

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Solution

The fourth proportional to 320,845.16, 481,740.86 and 178,967.64 is: 268,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,845.16 : 481,740.86 = 178,967.64 : x
  2. Step 2: Convert to fraction form
    320,845.16/481,740.86 = 178,967.64/x
  3. Step 3: Cross multiply
    320,845.16x = 481,740.86 × 178,967.64
  4. Step 4: Simplify right side
    320,845.16x = 86,216,024,805.77
  5. Step 5: Solve for x
    x = 86,216,024,805.77/320,845.16
  6. Step 6: Final answer
    x = 268,715.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.