Home / 345,795.24-477,210.78-194,889

Finding the Fourth Proportional to 345,795.24, 477,210.78 and 194,889

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Solution

The fourth proportional to 345,795.24, 477,210.78 and 194,889 is: 268,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,795.24 : 477,210.78 = 194,889 : x
  2. Step 2: Convert to fraction form
    345,795.24/477,210.78 = 194,889/x
  3. Step 3: Cross multiply
    345,795.24x = 477,210.78 × 194,889
  4. Step 4: Simplify right side
    345,795.24x = 93,003,131,703.42
  5. Step 5: Solve for x
    x = 93,003,131,703.42/345,795.24
  6. Step 6: Final answer
    x = 268,954.34

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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.