Finding the Fourth Proportional to 247,231.20, 370,773.90 and 97,421.70
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Solution
The fourth proportional to 247,231.20, 370,773.90 and 97,421.70 is: 146,103.82
Step by Step Solution
- Step 1: Write the proportion equation
247,231.20 : 370,773.90 = 97,421.70 : x - Step 2: Convert to fraction form
247,231.20/370,773.90 = 97,421.70/x - Step 3: Cross multiply
247,231.20x = 370,773.90 × 97,421.70 - Step 4: Simplify right side
247,231.20x = 36,121,423,653.63 - Step 5: Solve for x
x = 36,121,423,653.63/247,231.20 - Step 6: Final answer
x = 146,103.82
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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.