Finding the Fourth Proportional to 247,642.10, 371,353.80 and 97,832.60
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Solution
The fourth proportional to 247,642.10, 371,353.80 and 97,832.60 is: 146,705.70
Step by Step Solution
- Step 1: Write the proportion equation
247,642.10 : 371,353.80 = 97,832.60 : x - Step 2: Convert to fraction form
247,642.10/371,353.80 = 97,832.60/x - Step 3: Cross multiply
247,642.10x = 371,353.80 × 97,832.60 - Step 4: Simplify right side
247,642.10x = 36,330,507,773.88 - Step 5: Solve for x
x = 36,330,507,773.88/247,642.10 - Step 6: Final answer
x = 146,705.70
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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.