Finding the Fourth Proportional to 239,638.62, 330,699.02 and 132,209.52
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Solution
The fourth proportional to 239,638.62, 330,699.02 and 132,209.52 is: 182,447.88
Step by Step Solution
- Step 1: Write the proportion equation
239,638.62 : 330,699.02 = 132,209.52 : x - Step 2: Convert to fraction form
239,638.62/330,699.02 = 132,209.52/x - Step 3: Cross multiply
239,638.62x = 330,699.02 × 132,209.52 - Step 4: Simplify right side
239,638.62x = 43,721,558,037.62 - Step 5: Solve for x
x = 43,721,558,037.62/239,638.62 - Step 6: Final answer
x = 182,447.88
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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.