Finding the Fourth Proportional to 175,866.62, 242,708.25 and 99,392.78
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Solution
The fourth proportional to 175,866.62, 242,708.25 and 99,392.78 is: 137,168.99
Step by Step Solution
- Step 1: Write the proportion equation
175,866.62 : 242,708.25 = 99,392.78 : x - Step 2: Convert to fraction form
175,866.62/242,708.25 = 99,392.78/x - Step 3: Cross multiply
175,866.62x = 242,708.25 × 99,392.78 - Step 4: Simplify right side
175,866.62x = 24,123,445,985.93 - Step 5: Solve for x
x = 24,123,445,985.93/175,866.62 - Step 6: Final answer
x = 137,168.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.