Finding the Fourth Proportional to 117,612.72, 176,246.85 and 58,329.99
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Solution
The fourth proportional to 117,612.72, 176,246.85 and 58,329.99 is: 87,409.57
Step by Step Solution
- Step 1: Write the proportion equation
117,612.72 : 176,246.85 = 58,329.99 : x - Step 2: Convert to fraction form
117,612.72/176,246.85 = 58,329.99/x - Step 3: Cross multiply
117,612.72x = 176,246.85 × 58,329.99 - Step 4: Simplify right side
117,612.72x = 10,280,476,998.03 - Step 5: Solve for x
x = 10,280,476,998.03/117,612.72 - Step 6: Final answer
x = 87,409.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.