Finding the Fourth Proportional to 215,475.19, 297,352.92 and 118,677.18
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Solution
The fourth proportional to 215,475.19, 297,352.92 and 118,677.18 is: 163,772.95
Step by Step Solution
- Step 1: Write the proportion equation
215,475.19 : 297,352.92 = 118,677.18 : x - Step 2: Convert to fraction form
215,475.19/297,352.92 = 118,677.18/x - Step 3: Cross multiply
215,475.19x = 297,352.92 × 118,677.18 - Step 4: Simplify right side
215,475.19x = 35,289,007,570.48 - Step 5: Solve for x
x = 35,289,007,570.48/215,475.19 - Step 6: Final answer
x = 163,772.95
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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.