Finding the Fourth Proportional to 312,251.08, 430,905.72 and 169,009.96
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Solution
The fourth proportional to 312,251.08, 430,905.72 and 169,009.96 is: 233,233.33
Step by Step Solution
- Step 1: Write the proportion equation
312,251.08 : 430,905.72 = 169,009.96 : x - Step 2: Convert to fraction form
312,251.08/430,905.72 = 169,009.96/x - Step 3: Cross multiply
312,251.08x = 430,905.72 × 169,009.96 - Step 4: Simplify right side
312,251.08x = 72,827,358,500.97 - Step 5: Solve for x
x = 72,827,358,500.97/312,251.08 - Step 6: Final answer
x = 233,233.33
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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.