Finding the Fourth Proportional to 214,979.19, 322,598.38 and 74,836.23
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Solution
The fourth proportional to 214,979.19, 322,598.38 and 74,836.23 is: 112,299.46
Step by Step Solution
- Step 1: Write the proportion equation
214,979.19 : 322,598.38 = 74,836.23 : x - Step 2: Convert to fraction form
214,979.19/322,598.38 = 74,836.23/x - Step 3: Cross multiply
214,979.19x = 322,598.38 × 74,836.23 - Step 4: Simplify right side
214,979.19x = 24,142,046,563.31 - Step 5: Solve for x
x = 24,142,046,563.31/214,979.19 - Step 6: Final answer
x = 112,299.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.