Finding the Fourth Proportional to 327,307.80, 491,110.74 and 158,737.08
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Solution
The fourth proportional to 327,307.80, 491,110.74 and 158,737.08 is: 238,177.90
Step by Step Solution
- Step 1: Write the proportion equation
327,307.80 : 491,110.74 = 158,737.08 : x - Step 2: Convert to fraction form
327,307.80/491,110.74 = 158,737.08/x - Step 3: Cross multiply
327,307.80x = 491,110.74 × 158,737.08 - Step 4: Simplify right side
327,307.80x = 77,957,484,824.24 - Step 5: Solve for x
x = 77,957,484,824.24/327,307.80 - Step 6: Final answer
x = 238,177.90
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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.