Finding the Fourth Proportional to 398,161.97, 596,881.99 and 198,543.54
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Solution
The fourth proportional to 398,161.97, 596,881.99 and 198,543.54 is: 297,635.31
Step by Step Solution
- Step 1: Write the proportion equation
398,161.97 : 596,881.99 = 198,543.54 : x - Step 2: Convert to fraction form
398,161.97/596,881.99 = 198,543.54/x - Step 3: Cross multiply
398,161.97x = 596,881.99 × 198,543.54 - Step 4: Simplify right side
398,161.97x = 118,507,063,256.85 - Step 5: Solve for x
x = 118,507,063,256.85/398,161.97 - Step 6: Final answer
x = 297,635.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.