Finding the Fourth Proportional to 372,728.79, 514,295.73 and 219,815.17
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Solution
The fourth proportional to 372,728.79, 514,295.73 and 219,815.17 is: 303,303.65
Step by Step Solution
- Step 1: Write the proportion equation
372,728.79 : 514,295.73 = 219,815.17 : x - Step 2: Convert to fraction form
372,728.79/514,295.73 = 219,815.17/x - Step 3: Cross multiply
372,728.79x = 514,295.73 × 219,815.17 - Step 4: Simplify right side
372,728.79x = 113,050,002,034.49 - Step 5: Solve for x
x = 113,050,002,034.49/372,728.79 - Step 6: Final answer
x = 303,303.65
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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.