Finding the Fourth Proportional to 175,990.41, 242,863.79 and 99,508.32
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Solution
The fourth proportional to 175,990.41, 242,863.79 and 99,508.32 is: 137,319.80
Step by Step Solution
- Step 1: Write the proportion equation
175,990.41 : 242,863.79 = 99,508.32 : x - Step 2: Convert to fraction form
175,990.41/242,863.79 = 99,508.32/x - Step 3: Cross multiply
175,990.41x = 242,863.79 × 99,508.32 - Step 4: Simplify right side
175,990.41x = 24,166,967,234.19 - Step 5: Solve for x
x = 24,166,967,234.19/175,990.41 - Step 6: Final answer
x = 137,319.80
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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.