Finding the Fourth Proportional to 239,473.95, 330,476.36 and 132,047.79
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Solution
The fourth proportional to 239,473.95, 330,476.36 and 132,047.79 is: 182,227.22
Step by Step Solution
- Step 1: Write the proportion equation
239,473.95 : 330,476.36 = 132,047.79 : x - Step 2: Convert to fraction form
239,473.95/330,476.36 = 132,047.79/x - Step 3: Cross multiply
239,473.95x = 330,476.36 × 132,047.79 - Step 4: Simplify right side
239,473.95x = 43,638,672,985.24 - Step 5: Solve for x
x = 43,638,672,985.24/239,473.95 - Step 6: Final answer
x = 182,227.22
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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.