Finding the Fourth Proportional to 153,455.18, 211,694.80 and 119,229.44
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Solution
The fourth proportional to 153,455.18, 211,694.80 and 119,229.44 is: 164,479.64
Step by Step Solution
- Step 1: Write the proportion equation
153,455.18 : 211,694.80 = 119,229.44 : x - Step 2: Convert to fraction form
153,455.18/211,694.80 = 119,229.44/x - Step 3: Cross multiply
153,455.18x = 211,694.80 × 119,229.44 - Step 4: Simplify right side
153,455.18x = 25,240,252,454.91 - Step 5: Solve for x
x = 25,240,252,454.91/153,455.18 - Step 6: Final answer
x = 164,479.64
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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.