Finding the Fourth Proportional to 312,037.05, 468,318.15 and 292,354.05
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Solution
The fourth proportional to 312,037.05, 468,318.15 and 292,354.05 is: 438,777.09
Step by Step Solution
- Step 1: Write the proportion equation
312,037.05 : 468,318.15 = 292,354.05 : x - Step 2: Convert to fraction form
312,037.05/468,318.15 = 292,354.05/x - Step 3: Cross multiply
312,037.05x = 468,318.15 × 292,354.05 - Step 4: Simplify right side
312,037.05x = 136,914,707,841.01 - Step 5: Solve for x
x = 136,914,707,841.01/312,037.05 - Step 6: Final answer
x = 438,777.09
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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.