Finding the Fourth Proportional to 247,686.23, 371,277.15 and 97,720.67
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Solution
The fourth proportional to 247,686.23, 371,277.15 and 97,720.67 is: 146,481.50
Step by Step Solution
- Step 1: Write the proportion equation
247,686.23 : 371,277.15 = 97,720.67 : x - Step 2: Convert to fraction form
247,686.23/371,277.15 = 97,720.67/x - Step 3: Cross multiply
247,686.23x = 371,277.15 × 97,720.67 - Step 4: Simplify right side
247,686.23x = 36,281,449,997.30 - Step 5: Solve for x
x = 36,281,449,997.30/247,686.23 - Step 6: Final answer
x = 146,481.50
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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.