Finding the Fourth Proportional to 247,447.10, 370,842.60 and 219,234.80
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Solution
The fourth proportional to 247,447.10, 370,842.60 and 219,234.80 is: 328,561.55
Step by Step Solution
- Step 1: Write the proportion equation
247,447.10 : 370,842.60 = 219,234.80 : x - Step 2: Convert to fraction form
247,447.10/370,842.60 = 219,234.80/x - Step 3: Cross multiply
247,447.10x = 370,842.60 × 219,234.80 - Step 4: Simplify right side
247,447.10x = 81,301,603,242.48 - Step 5: Solve for x
x = 81,301,603,242.48/247,447.10 - Step 6: Final answer
x = 328,561.55
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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.