Finding the Fourth Proportional to 80,307.18, 110,824.74 and 44,497.62
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Solution
The fourth proportional to 80,307.18, 110,824.74 and 44,497.62 is: 61,407.18
Step by Step Solution
- Step 1: Write the proportion equation
80,307.18 : 110,824.74 = 44,497.62 : x - Step 2: Convert to fraction form
80,307.18/110,824.74 = 44,497.62/x - Step 3: Cross multiply
80,307.18x = 110,824.74 × 44,497.62 - Step 4: Simplify right side
80,307.18x = 4,931,437,167.12 - Step 5: Solve for x
x = 4,931,437,167.12/80,307.18 - Step 6: Final answer
x = 61,407.18
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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.