Home / 319,525.55-440,947.60-176,290.73

Finding the Fourth Proportional to 319,525.55, 440,947.60 and 176,290.73

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Solution

The fourth proportional to 319,525.55, 440,947.60 and 176,290.73 is: 243,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,525.55 : 440,947.60 = 176,290.73 : x
  2. Step 2: Convert to fraction form
    319,525.55/440,947.60 = 176,290.73/x
  3. Step 3: Cross multiply
    319,525.55x = 440,947.60 × 176,290.73
  4. Step 4: Simplify right side
    319,525.55x = 77,734,971,650.28
  5. Step 5: Solve for x
    x = 77,734,971,650.28/319,525.55
  6. Step 6: Final answer
    x = 243,282.49

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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.