Finding the Fourth Proportional to 176,341.41, 243,366.18 and 99,873.90
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Solution
The fourth proportional to 176,341.41, 243,366.18 and 99,873.90 is: 137,834.50
Step by Step Solution
- Step 1: Write the proportion equation
176,341.41 : 243,366.18 = 99,873.90 : x - Step 2: Convert to fraction form
176,341.41/243,366.18 = 99,873.90/x - Step 3: Cross multiply
176,341.41x = 243,366.18 × 99,873.90 - Step 4: Simplify right side
176,341.41x = 24,305,929,524.70 - Step 5: Solve for x
x = 24,305,929,524.70/176,341.41 - Step 6: Final answer
x = 137,834.50
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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.