Finding the Fourth Proportional to 211,011.93, 316,452.29 and 70,737.75
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Solution
The fourth proportional to 211,011.93, 316,452.29 and 70,737.75 is: 106,084.63
Step by Step Solution
- Step 1: Write the proportion equation
211,011.93 : 316,452.29 = 70,737.75 : x - Step 2: Convert to fraction form
211,011.93/316,452.29 = 70,737.75/x - Step 3: Cross multiply
211,011.93x = 316,452.29 × 70,737.75 - Step 4: Simplify right side
211,011.93x = 22,385,122,623.26 - Step 5: Solve for x
x = 22,385,122,623.26/211,011.93 - Step 6: Final answer
x = 106,084.63
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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.