Finding the Fourth Proportional to 239,043.24, 330,103.62 and 149,774.76
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Solution
The fourth proportional to 239,043.24, 330,103.62 and 149,774.76 is: 206,829.49
Step by Step Solution
- Step 1: Write the proportion equation
239,043.24 : 330,103.62 = 149,774.76 : x - Step 2: Convert to fraction form
239,043.24/330,103.62 = 149,774.76/x - Step 3: Cross multiply
239,043.24x = 330,103.62 × 149,774.76 - Step 4: Simplify right side
239,043.24x = 49,441,190,460.63 - Step 5: Solve for x
x = 49,441,190,460.63/239,043.24 - Step 6: Final answer
x = 206,829.49
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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.