Finding the Fourth Proportional to 372,730.26, 513,753.45 and 263,693.73
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Solution
The fourth proportional to 372,730.26, 513,753.45 and 263,693.73 is: 363,462.75
Step by Step Solution
- Step 1: Write the proportion equation
372,730.26 : 513,753.45 = 263,693.73 : x - Step 2: Convert to fraction form
372,730.26/513,753.45 = 263,693.73/x - Step 3: Cross multiply
372,730.26x = 513,753.45 × 263,693.73 - Step 4: Simplify right side
372,730.26x = 135,473,563,530.87 - Step 5: Solve for x
x = 135,473,563,530.87/372,730.26 - Step 6: Final answer
x = 363,462.75
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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.