Finding the Fourth Proportional to 372,141.61, 513,550.61 and 202,372.09
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Solution
The fourth proportional to 372,141.61, 513,550.61 and 202,372.09 is: 279,270.86
Step by Step Solution
- Step 1: Write the proportion equation
372,141.61 : 513,550.61 = 202,372.09 : x - Step 2: Convert to fraction form
372,141.61/513,550.61 = 202,372.09/x - Step 3: Cross multiply
372,141.61x = 513,550.61 × 202,372.09 - Step 4: Simplify right side
372,141.61x = 103,928,309,254.61 - Step 5: Solve for x
x = 103,928,309,254.61/372,141.61 - Step 6: Final answer
x = 279,270.86
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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.