Finding the Fourth Proportional to 239,811.18, 330,915.84 and 132,374.28
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Solution
The fourth proportional to 239,811.18, 330,915.84 and 132,374.28 is: 182,663.49
Step by Step Solution
- Step 1: Write the proportion equation
239,811.18 : 330,915.84 = 132,374.28 : x - Step 2: Convert to fraction form
239,811.18/330,915.84 = 132,374.28/x - Step 3: Cross multiply
239,811.18x = 330,915.84 × 132,374.28 - Step 4: Simplify right side
239,811.18x = 43,804,746,060.60 - Step 5: Solve for x
x = 43,804,746,060.60/239,811.18 - Step 6: Final answer
x = 182,663.49
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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.