Finding the Fourth Proportional to 310,844.91, 428,966.63 and 183,528.70
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Solution
The fourth proportional to 310,844.91, 428,966.63 and 183,528.70 is: 253,269.99
Step by Step Solution
- Step 1: Write the proportion equation
310,844.91 : 428,966.63 = 183,528.70 : x - Step 2: Convert to fraction form
310,844.91/428,966.63 = 183,528.70/x - Step 3: Cross multiply
310,844.91x = 428,966.63 × 183,528.70 - Step 4: Simplify right side
310,844.91x = 78,727,687,947.28 - Step 5: Solve for x
x = 78,727,687,947.28/310,844.91 - Step 6: Final answer
x = 253,269.99
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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.