Finding the Fourth Proportional to 372,042.32, 513,415.80 and 202,276.44
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Solution
The fourth proportional to 372,042.32, 513,415.80 and 202,276.44 is: 279,140.08
Step by Step Solution
- Step 1: Write the proportion equation
372,042.32 : 513,415.80 = 202,276.44 : x - Step 2: Convert to fraction form
372,042.32/513,415.80 = 202,276.44/x - Step 3: Cross multiply
372,042.32x = 513,415.80 × 202,276.44 - Step 4: Simplify right side
372,042.32x = 103,851,920,263.75 - Step 5: Solve for x
x = 103,851,920,263.75/372,042.32 - Step 6: Final answer
x = 279,140.08
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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.