Finding the Fourth Proportional to 203,437.80, 304,946.10 and 91,171.80
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Solution
The fourth proportional to 203,437.80, 304,946.10 and 91,171.80 is: 136,663.32
Step by Step Solution
- Step 1: Write the proportion equation
203,437.80 : 304,946.10 = 91,171.80 : x - Step 2: Convert to fraction form
203,437.80/304,946.10 = 91,171.80/x - Step 3: Cross multiply
203,437.80x = 304,946.10 × 91,171.80 - Step 4: Simplify right side
203,437.80x = 27,802,484,839.98 - Step 5: Solve for x
x = 27,802,484,839.98/203,437.80 - Step 6: Final answer
x = 136,663.32
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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.