Finding the Fourth Proportional to 215,340.23, 297,169.21 and 119,844.65
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Solution
The fourth proportional to 215,340.23, 297,169.21 and 119,844.65 is: 165,385.45
Step by Step Solution
- Step 1: Write the proportion equation
215,340.23 : 297,169.21 = 119,844.65 : x - Step 2: Convert to fraction form
215,340.23/297,169.21 = 119,844.65/x - Step 3: Cross multiply
215,340.23x = 297,169.21 × 119,844.65 - Step 4: Simplify right side
215,340.23x = 35,614,139,963.23 - Step 5: Solve for x
x = 35,614,139,963.23/215,340.23 - Step 6: Final answer
x = 165,385.45
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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.