Finding the Fourth Proportional to 219,700.62, 303,175.08 and 124,201.62
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Solution
The fourth proportional to 219,700.62, 303,175.08 and 124,201.62 is: 171,391.58
Step by Step Solution
- Step 1: Write the proportion equation
219,700.62 : 303,175.08 = 124,201.62 : x - Step 2: Convert to fraction form
219,700.62/303,175.08 = 124,201.62/x - Step 3: Cross multiply
219,700.62x = 303,175.08 × 124,201.62 - Step 4: Simplify right side
219,700.62x = 37,654,836,079.63 - Step 5: Solve for x
x = 37,654,836,079.63/219,700.62 - Step 6: Final answer
x = 171,391.58
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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.