Finding the Fourth Proportional to 407,170.19, 610,560.85 and 238,741.80
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Solution
The fourth proportional to 407,170.19, 610,560.85 and 238,741.80 is: 357,998.70
Step by Step Solution
- Step 1: Write the proportion equation
407,170.19 : 610,560.85 = 238,741.80 : x - Step 2: Convert to fraction form
407,170.19/610,560.85 = 238,741.80/x - Step 3: Cross multiply
407,170.19x = 610,560.85 × 238,741.80 - Step 4: Simplify right side
407,170.19x = 145,766,399,387.05 - Step 5: Solve for x
x = 145,766,399,387.05/407,170.19 - Step 6: Final answer
x = 357,998.70
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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.