Finding the Fourth Proportional to 355,155.36, 532,995.12 and 168,166.56
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Solution
The fourth proportional to 355,155.36, 532,995.12 and 168,166.56 is: 252,373.94
Step by Step Solution
- Step 1: Write the proportion equation
355,155.36 : 532,995.12 = 168,166.56 : x - Step 2: Convert to fraction form
355,155.36/532,995.12 = 168,166.56/x - Step 3: Cross multiply
355,155.36x = 532,995.12 × 168,166.56 - Step 4: Simplify right side
355,155.36x = 89,631,955,827.19 - Step 5: Solve for x
x = 89,631,955,827.19/355,155.36 - Step 6: Final answer
x = 252,373.94
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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.