Finding the Fourth Proportional to 247,207.72, 370,847.08 and 76,442.74
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Solution
The fourth proportional to 247,207.72, 370,847.08 and 76,442.74 is: 114,675.09
Step by Step Solution
- Step 1: Write the proportion equation
247,207.72 : 370,847.08 = 76,442.74 : x - Step 2: Convert to fraction form
247,207.72/370,847.08 = 76,442.74/x - Step 3: Cross multiply
247,207.72x = 370,847.08 × 76,442.74 - Step 4: Simplify right side
247,207.72x = 28,348,566,916.20 - Step 5: Solve for x
x = 28,348,566,916.20/247,207.72 - Step 6: Final answer
x = 114,675.09
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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.