Finding the Fourth Proportional to 215,340.48, 297,166.88 and 119,847.18
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Solution
The fourth proportional to 215,340.48, 297,166.88 and 119,847.18 is: 165,387.45
Step by Step Solution
- Step 1: Write the proportion equation
215,340.48 : 297,166.88 = 119,847.18 : x - Step 2: Convert to fraction form
215,340.48/297,166.88 = 119,847.18/x - Step 3: Cross multiply
215,340.48x = 297,166.88 × 119,847.18 - Step 4: Simplify right side
215,340.48x = 35,614,612,557.40 - Step 5: Solve for x
x = 35,614,612,557.40/215,340.48 - Step 6: Final answer
x = 165,387.45
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1.5x scale
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.