Finding the Fourth Proportional to 672,211.14, 927,661.05 and 370,398.66
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Solution
The fourth proportional to 672,211.14, 927,661.05 and 370,398.66 is: 511,155.48
Step by Step Solution
- Step 1: Write the proportion equation
672,211.14 : 927,661.05 = 370,398.66 : x - Step 2: Convert to fraction form
672,211.14/927,661.05 = 370,398.66/x - Step 3: Cross multiply
672,211.14x = 927,661.05 × 370,398.66 - Step 4: Simplify right side
672,211.14x = 343,604,409,854.19 - Step 5: Solve for x
x = 343,604,409,854.19/672,211.14 - Step 6: Final answer
x = 511,155.48
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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.