Finding the Fourth Proportional to 517,510.62, 714,163.50 and 291,156.12
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Solution
The fourth proportional to 517,510.62, 714,163.50 and 291,156.12 is: 401,794.80
Step by Step Solution
- Step 1: Write the proportion equation
517,510.62 : 714,163.50 = 291,156.12 : x - Step 2: Convert to fraction form
517,510.62/714,163.50 = 291,156.12/x - Step 3: Cross multiply
517,510.62x = 714,163.50 × 291,156.12 - Step 4: Simplify right side
517,510.62x = 207,933,073,705.62 - Step 5: Solve for x
x = 207,933,073,705.62/517,510.62 - Step 6: Final answer
x = 401,794.80
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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.