Finding the Fourth Proportional to 176,115.10, 243,038.88 and 99,632.68
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Solution
The fourth proportional to 176,115.10, 243,038.88 and 99,632.68 is: 137,493.12
Step by Step Solution
- Step 1: Write the proportion equation
176,115.10 : 243,038.88 = 99,632.68 : x - Step 2: Convert to fraction form
176,115.10/243,038.88 = 99,632.68/x - Step 3: Cross multiply
176,115.10x = 243,038.88 × 99,632.68 - Step 4: Simplify right side
176,115.10x = 24,214,614,958.60 - Step 5: Solve for x
x = 24,214,614,958.60/176,115.10 - Step 6: Final answer
x = 137,493.12
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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.