Finding the Fourth Proportional to 372,319.43, 513,803.05 and 202,554.77
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Solution
The fourth proportional to 372,319.43, 513,803.05 and 202,554.77 is: 279,526.80
Step by Step Solution
- Step 1: Write the proportion equation
372,319.43 : 513,803.05 = 202,554.77 : x - Step 2: Convert to fraction form
372,319.43/513,803.05 = 202,554.77/x - Step 3: Cross multiply
372,319.43x = 513,803.05 × 202,554.77 - Step 4: Simplify right side
372,319.43x = 104,073,257,605.28 - Step 5: Solve for x
x = 104,073,257,605.28/372,319.43 - Step 6: Final answer
x = 279,526.80
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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.