Finding the Fourth Proportional to 207,202.88, 285,931.68 and 116,560.64
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Solution
The fourth proportional to 207,202.88, 285,931.68 and 116,560.64 is: 160,849.02
Step by Step Solution
- Step 1: Write the proportion equation
207,202.88 : 285,931.68 = 116,560.64 : x - Step 2: Convert to fraction form
207,202.88/285,931.68 = 116,560.64/x - Step 3: Cross multiply
207,202.88x = 285,931.68 × 116,560.64 - Step 4: Simplify right side
207,202.88x = 33,328,379,617.08 - Step 5: Solve for x
x = 33,328,379,617.08/207,202.88 - Step 6: Final answer
x = 160,849.02
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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.