Finding the Fourth Proportional to 310,672.68, 466,185.96 and 121,108.32
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Solution
The fourth proportional to 310,672.68, 466,185.96 and 121,108.32 is: 181,731.46
Step by Step Solution
- Step 1: Write the proportion equation
310,672.68 : 466,185.96 = 121,108.32 : x - Step 2: Convert to fraction form
310,672.68/466,185.96 = 121,108.32/x - Step 3: Cross multiply
310,672.68x = 466,185.96 × 121,108.32 - Step 4: Simplify right side
310,672.68x = 56,458,998,423.19 - Step 5: Solve for x
x = 56,458,998,423.19/310,672.68 - Step 6: Final answer
x = 181,731.46
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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.