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Finding the Fourth Proportional to 320,852.42, 481,751.74 and 178,974.89

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Solution

The fourth proportional to 320,852.42, 481,751.74 and 178,974.89 is: 268,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,852.42 : 481,751.74 = 178,974.89 : x
  2. Step 2: Convert to fraction form
    320,852.42/481,751.74 = 178,974.89/x
  3. Step 3: Cross multiply
    320,852.42x = 481,751.74 × 178,974.89
  4. Step 4: Simplify right side
    320,852.42x = 86,221,465,430.75
  5. Step 5: Solve for x
    x = 86,221,465,430.75/320,852.42
  6. Step 6: Final answer
    x = 268,726.25

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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.