Finding the Fourth Proportional to 516,186.55, 774,387.33 and 260,163.01
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Solution
The fourth proportional to 516,186.55, 774,387.33 and 260,163.01 is: 390,298.70
Step by Step Solution
- Step 1: Write the proportion equation
516,186.55 : 774,387.33 = 260,163.01 : x - Step 2: Convert to fraction form
516,186.55/774,387.33 = 260,163.01/x - Step 3: Cross multiply
516,186.55x = 774,387.33 × 260,163.01 - Step 4: Simplify right side
516,186.55x = 201,466,938,678.66 - Step 5: Solve for x
x = 201,466,938,678.66/516,186.55 - Step 6: Final answer
x = 390,298.70
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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.