Finding the Fourth Proportional to 211,335.05, 317,051.19 and 69,184.91
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Solution
The fourth proportional to 211,335.05, 317,051.19 and 69,184.91 is: 103,793.28
Step by Step Solution
- Step 1: Write the proportion equation
211,335.05 : 317,051.19 = 69,184.91 : x - Step 2: Convert to fraction form
211,335.05/317,051.19 = 69,184.91/x - Step 3: Cross multiply
211,335.05x = 317,051.19 × 69,184.91 - Step 4: Simplify right side
211,335.05x = 21,935,158,838.17 - Step 5: Solve for x
x = 21,935,158,838.17/211,335.05 - Step 6: Final answer
x = 103,793.28
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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.