Finding the Fourth Proportional to 155,098.62, 232,209.72 and 126,465.84
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Solution
The fourth proportional to 155,098.62, 232,209.72 and 126,465.84 is: 189,341.45
Step by Step Solution
- Step 1: Write the proportion equation
155,098.62 : 232,209.72 = 126,465.84 : x - Step 2: Convert to fraction form
155,098.62/232,209.72 = 126,465.84/x - Step 3: Cross multiply
155,098.62x = 232,209.72 × 126,465.84 - Step 4: Simplify right side
155,098.62x = 29,366,597,295.96 - Step 5: Solve for x
x = 29,366,597,295.96/155,098.62 - Step 6: Final answer
x = 189,341.45
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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.