Finding the Fourth Proportional to 168,331.31, 232,302.08 and 92,884.67
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Solution
The fourth proportional to 168,331.31, 232,302.08 and 92,884.67 is: 128,183.54
Step by Step Solution
- Step 1: Write the proportion equation
168,331.31 : 232,302.08 = 92,884.67 : x - Step 2: Convert to fraction form
168,331.31/232,302.08 = 92,884.67/x - Step 3: Cross multiply
168,331.31x = 232,302.08 × 92,884.67 - Step 4: Simplify right side
168,331.31x = 21,577,302,854.08 - Step 5: Solve for x
x = 21,577,302,854.08/168,331.31 - Step 6: Final answer
x = 128,183.54
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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.