Finding the Fourth Proportional to 347,486.10, 521,566.20 and 167,698.08
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Solution
The fourth proportional to 347,486.10, 521,566.20 and 167,698.08 is: 251,709.78
Step by Step Solution
- Step 1: Write the proportion equation
347,486.10 : 521,566.20 = 167,698.08 : x - Step 2: Convert to fraction form
347,486.10/521,566.20 = 167,698.08/x - Step 3: Cross multiply
347,486.10x = 521,566.20 × 167,698.08 - Step 4: Simplify right side
347,486.10x = 87,465,650,332.90 - Step 5: Solve for x
x = 87,465,650,332.90/347,486.10 - Step 6: Final answer
x = 251,709.78
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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.