Home / 345,824.50-477,631.48-232,450.42

Finding the Fourth Proportional to 345,824.50, 477,631.48 and 232,450.42

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Solution

The fourth proportional to 345,824.50, 477,631.48 and 232,450.42 is: 321,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,824.50 : 477,631.48 = 232,450.42 : x
  2. Step 2: Convert to fraction form
    345,824.50/477,631.48 = 232,450.42/x
  3. Step 3: Cross multiply
    345,824.50x = 477,631.48 × 232,450.42
  4. Step 4: Simplify right side
    345,824.50x = 111,025,638,131.22
  5. Step 5: Solve for x
    x = 111,025,638,131.22/345,824.50
  6. Step 6: Final answer
    x = 321,046.19

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1.5x scale

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.