Finding the Fourth Proportional to 349,391.68, 524,082.64 and 199,311.68
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Solution
The fourth proportional to 349,391.68, 524,082.64 and 199,311.68 is: 298,964.74
Step by Step Solution
- Step 1: Write the proportion equation
349,391.68 : 524,082.64 = 199,311.68 : x - Step 2: Convert to fraction form
349,391.68/524,082.64 = 199,311.68/x - Step 3: Cross multiply
349,391.68x = 524,082.64 × 199,311.68 - Step 4: Simplify right side
349,391.68x = 104,455,791,437.24 - Step 5: Solve for x
x = 104,455,791,437.24/349,391.68 - Step 6: Final answer
x = 298,964.74
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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.