Finding the Fourth Proportional to 162,686.82, 224,350.08 and 126,863.76
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Solution
The fourth proportional to 162,686.82, 224,350.08 and 126,863.76 is: 174,948.99
Step by Step Solution
- Step 1: Write the proportion equation
162,686.82 : 224,350.08 = 126,863.76 : x - Step 2: Convert to fraction form
162,686.82/224,350.08 = 126,863.76/x - Step 3: Cross multiply
162,686.82x = 224,350.08 × 126,863.76 - Step 4: Simplify right side
162,686.82x = 28,461,894,705.10 - Step 5: Solve for x
x = 28,461,894,705.10/162,686.82 - Step 6: Final answer
x = 174,948.99
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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.