Finding the Fourth Proportional to 176,479.76, 243,551.40 and 101,039.60
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Solution
The fourth proportional to 176,479.76, 243,551.40 and 101,039.60 is: 139,439.99
Step by Step Solution
- Step 1: Write the proportion equation
176,479.76 : 243,551.40 = 101,039.60 : x - Step 2: Convert to fraction form
176,479.76/243,551.40 = 101,039.60/x - Step 3: Cross multiply
176,479.76x = 243,551.40 × 101,039.60 - Step 4: Simplify right side
176,479.76x = 24,608,336,035.44 - Step 5: Solve for x
x = 24,608,336,035.44/176,479.76 - Step 6: Final answer
x = 139,439.99
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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.