Finding the Fourth Proportional to 176,517.18, 243,427.68 and 136,167.12
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Solution
The fourth proportional to 176,517.18, 243,427.68 and 136,167.12 is: 187,782.55
Step by Step Solution
- Step 1: Write the proportion equation
176,517.18 : 243,427.68 = 136,167.12 : x - Step 2: Convert to fraction form
176,517.18/243,427.68 = 136,167.12/x - Step 3: Cross multiply
176,517.18x = 243,427.68 × 136,167.12 - Step 4: Simplify right side
176,517.18x = 33,146,846,113.88 - Step 5: Solve for x
x = 33,146,846,113.88/176,517.18 - Step 6: Final answer
x = 187,782.55
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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.