Finding the Fourth Proportional to 327,710.70, 491,479.65 and 103,070.70
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Solution
The fourth proportional to 327,710.70, 491,479.65 and 103,070.70 is: 154,578.88
Step by Step Solution
- Step 1: Write the proportion equation
327,710.70 : 491,479.65 = 103,070.70 : x - Step 2: Convert to fraction form
327,710.70/491,479.65 = 103,070.70/x - Step 3: Cross multiply
327,710.70x = 491,479.65 × 103,070.70 - Step 4: Simplify right side
327,710.70x = 50,657,151,561.26 - Step 5: Solve for x
x = 50,657,151,561.26/327,710.70 - Step 6: Final answer
x = 154,578.88
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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.