Finding the Fourth Proportional to 317,666.61, 476,500.09 and 199,420.99
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Solution
The fourth proportional to 317,666.61, 476,500.09 and 199,420.99 is: 299,131.59
Step by Step Solution
- Step 1: Write the proportion equation
317,666.61 : 476,500.09 = 199,420.99 : x - Step 2: Convert to fraction form
317,666.61/476,500.09 = 199,420.99/x - Step 3: Cross multiply
317,666.61x = 476,500.09 × 199,420.99 - Step 4: Simplify right side
317,666.61x = 95,024,120,938.11 - Step 5: Solve for x
x = 95,024,120,938.11/317,666.61 - Step 6: Final answer
x = 299,131.59
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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.