Home / 320,836.81-481,089.08-171,036.86

Finding the Fourth Proportional to 320,836.81, 481,089.08 and 171,036.86

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Solution

The fourth proportional to 320,836.81, 481,089.08 and 171,036.86 is: 256,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,836.81 : 481,089.08 = 171,036.86 : x
  2. Step 2: Convert to fraction form
    320,836.81/481,089.08 = 171,036.86/x
  3. Step 3: Cross multiply
    320,836.81x = 481,089.08 × 171,036.86
  4. Step 4: Simplify right side
    320,836.81x = 82,283,965,623.49
  5. Step 5: Solve for x
    x = 82,283,965,623.49/320,836.81
  6. Step 6: Final answer
    x = 256,466.72

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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.