Finding the Fourth Proportional to 191,310.12, 286,569.90 and 112,186.08
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Solution
The fourth proportional to 191,310.12, 286,569.90 and 112,186.08 is: 168,047.32
Step by Step Solution
- Step 1: Write the proportion equation
191,310.12 : 286,569.90 = 112,186.08 : x - Step 2: Convert to fraction form
191,310.12/286,569.90 = 112,186.08/x - Step 3: Cross multiply
191,310.12x = 286,569.90 × 112,186.08 - Step 4: Simplify right side
191,310.12x = 32,149,153,726.99 - Step 5: Solve for x
x = 32,149,153,726.99/191,310.12 - Step 6: Final answer
x = 168,047.32
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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.