Finding the Fourth Proportional to 475,163.55, 655,723.76 and 260,316.99
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Solution
The fourth proportional to 475,163.55, 655,723.76 and 260,316.99 is: 359,236.38
Step by Step Solution
- Step 1: Write the proportion equation
475,163.55 : 655,723.76 = 260,316.99 : x - Step 2: Convert to fraction form
475,163.55/655,723.76 = 260,316.99/x - Step 3: Cross multiply
475,163.55x = 655,723.76 × 260,316.99 - Step 4: Simplify right side
475,163.55x = 170,696,034,173.10 - Step 5: Solve for x
x = 170,696,034,173.10/475,163.55 - Step 6: Final answer
x = 359,236.38
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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.