Finding the Fourth Proportional to 499,011.84, 748,544.64 and 199,537.92
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Solution
The fourth proportional to 499,011.84, 748,544.64 and 199,537.92 is: 299,317.63
Step by Step Solution
- Step 1: Write the proportion equation
499,011.84 : 748,544.64 = 199,537.92 : x - Step 2: Convert to fraction form
499,011.84/748,544.64 = 199,537.92/x - Step 3: Cross multiply
499,011.84x = 748,544.64 × 199,537.92 - Step 4: Simplify right side
499,011.84x = 149,363,040,492.75 - Step 5: Solve for x
x = 149,363,040,492.75/499,011.84 - Step 6: Final answer
x = 299,317.63
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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.