Finding the Fourth Proportional to 312,034.05, 468,313.65 and 292,351.05
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Solution
The fourth proportional to 312,034.05, 468,313.65 and 292,351.05 is: 438,772.59
Step by Step Solution
- Step 1: Write the proportion equation
312,034.05 : 468,313.65 = 292,351.05 : x - Step 2: Convert to fraction form
312,034.05/468,313.65 = 292,351.05/x - Step 3: Cross multiply
312,034.05x = 468,313.65 × 292,351.05 - Step 4: Simplify right side
312,034.05x = 136,911,987,306.83 - Step 5: Solve for x
x = 136,911,987,306.83/312,034.05 - Step 6: Final answer
x = 438,772.59
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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.