Finding the Fourth Proportional to 372,107.20, 513,502.08 and 202,339.84
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Solution
The fourth proportional to 372,107.20, 513,502.08 and 202,339.84 is: 279,225.79
Step by Step Solution
- Step 1: Write the proportion equation
372,107.20 : 513,502.08 = 202,339.84 : x - Step 2: Convert to fraction form
372,107.20/513,502.08 = 202,339.84/x - Step 3: Cross multiply
372,107.20x = 513,502.08 × 202,339.84 - Step 4: Simplify right side
372,107.20x = 103,901,928,706.87 - Step 5: Solve for x
x = 103,901,928,706.87/372,107.20 - Step 6: Final answer
x = 279,225.79
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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.