Finding the Fourth Proportional to 237,891.08, 328,304.87 and 157,177.01
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Solution
The fourth proportional to 237,891.08, 328,304.87 and 157,177.01 is: 216,914.30
Step by Step Solution
- Step 1: Write the proportion equation
237,891.08 : 328,304.87 = 157,177.01 : x - Step 2: Convert to fraction form
237,891.08/328,304.87 = 157,177.01/x - Step 3: Cross multiply
237,891.08x = 328,304.87 × 157,177.01 - Step 4: Simplify right side
237,891.08x = 51,601,975,407.63 - Step 5: Solve for x
x = 51,601,975,407.63/237,891.08 - Step 6: Final answer
x = 216,914.30
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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.