Finding the Fourth Proportional to 242,613.80, 363,920.70 and 124,515.80
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Solution
The fourth proportional to 242,613.80, 363,920.70 and 124,515.80 is: 186,773.70
Step by Step Solution
- Step 1: Write the proportion equation
242,613.80 : 363,920.70 = 124,515.80 : x - Step 2: Convert to fraction form
242,613.80/363,920.70 = 124,515.80/x - Step 3: Cross multiply
242,613.80x = 363,920.70 × 124,515.80 - Step 4: Simplify right side
242,613.80x = 45,313,877,097.06 - Step 5: Solve for x
x = 45,313,877,097.06/242,613.80 - Step 6: Final answer
x = 186,773.70
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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.