Finding the Fourth Proportional to 140,988.06, 211,472.24 and 66,124.62
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Solution
The fourth proportional to 140,988.06, 211,472.24 and 66,124.62 is: 99,182.31
Step by Step Solution
- Step 1: Write the proportion equation
140,988.06 : 211,472.24 = 66,124.62 : x - Step 2: Convert to fraction form
140,988.06/211,472.24 = 66,124.62/x - Step 3: Cross multiply
140,988.06x = 211,472.24 × 66,124.62 - Step 4: Simplify right side
140,988.06x = 13,983,521,179.93 - Step 5: Solve for x
x = 13,983,521,179.93/140,988.06 - Step 6: Final answer
x = 99,182.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.