Finding the Fourth Proportional to 211,193.80, 316,844.36 and 61,434.08
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Solution
The fourth proportional to 211,193.80, 316,844.36 and 61,434.08 is: 92,166.73
Step by Step Solution
- Step 1: Write the proportion equation
211,193.80 : 316,844.36 = 61,434.08 : x - Step 2: Convert to fraction form
211,193.80/316,844.36 = 61,434.08/x - Step 3: Cross multiply
211,193.80x = 316,844.36 × 61,434.08 - Step 4: Simplify right side
211,193.80x = 19,465,041,759.79 - Step 5: Solve for x
x = 19,465,041,759.79/211,193.80 - Step 6: Final answer
x = 92,166.73
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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.