Finding the Fourth Proportional to 352,382.04, 486,521.37 and 209,188.08
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Solution
The fourth proportional to 352,382.04, 486,521.37 and 209,188.08 is: 288,818.55
Step by Step Solution
- Step 1: Write the proportion equation
352,382.04 : 486,521.37 = 209,188.08 : x - Step 2: Convert to fraction form
352,382.04/486,521.37 = 209,188.08/x - Step 3: Cross multiply
352,382.04x = 486,521.37 × 209,188.08 - Step 4: Simplify right side
352,382.04x = 101,774,471,269.27 - Step 5: Solve for x
x = 101,774,471,269.27/352,382.04 - Step 6: Final answer
x = 288,818.55
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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.