Finding the Fourth Proportional to 168,317.12, 232,286.51 and 96,701.78
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Solution
The fourth proportional to 168,317.12, 232,286.51 and 96,701.78 is: 133,453.55
Step by Step Solution
- Step 1: Write the proportion equation
168,317.12 : 232,286.51 = 96,701.78 : x - Step 2: Convert to fraction form
168,317.12/232,286.51 = 96,701.78/x - Step 3: Cross multiply
168,317.12x = 232,286.51 × 96,701.78 - Step 4: Simplify right side
168,317.12x = 22,462,517,342.05 - Step 5: Solve for x
x = 22,462,517,342.05/168,317.12 - Step 6: Final answer
x = 133,453.55
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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.