Finding the Fourth Proportional to 482,679.40, 724,364.70 and 202,397.80
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Solution
The fourth proportional to 482,679.40, 724,364.70 and 202,397.80 is: 303,741.62
Step by Step Solution
- Step 1: Write the proportion equation
482,679.40 : 724,364.70 = 202,397.80 : x - Step 2: Convert to fraction form
482,679.40/724,364.70 = 202,397.80/x - Step 3: Cross multiply
482,679.40x = 724,364.70 × 202,397.80 - Step 4: Simplify right side
482,679.40x = 146,609,821,677.66 - Step 5: Solve for x
x = 146,609,821,677.66/482,679.40 - Step 6: Final answer
x = 303,741.62
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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.