Finding the Fourth Proportional to 176,406.08, 243,445.92 and 100,950.08
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Solution
The fourth proportional to 176,406.08, 243,445.92 and 100,950.08 is: 139,314.27
Step by Step Solution
- Step 1: Write the proportion equation
176,406.08 : 243,445.92 = 100,950.08 : x - Step 2: Convert to fraction form
176,406.08/243,445.92 = 100,950.08/x - Step 3: Cross multiply
176,406.08x = 243,445.92 × 100,950.08 - Step 4: Simplify right side
176,406.08x = 24,575,885,099.67 - Step 5: Solve for x
x = 24,575,885,099.67/176,406.08 - Step 6: Final answer
x = 139,314.27
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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.