Finding the Fourth Proportional to 338,219.34, 506,639.82 and 160,186.62
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Solution
The fourth proportional to 338,219.34, 506,639.82 and 160,186.62 is: 239,953.52
Step by Step Solution
- Step 1: Write the proportion equation
338,219.34 : 506,639.82 = 160,186.62 : x - Step 2: Convert to fraction form
338,219.34/506,639.82 = 160,186.62/x - Step 3: Cross multiply
338,219.34x = 506,639.82 × 160,186.62 - Step 4: Simplify right side
338,219.34x = 81,156,920,323.21 - Step 5: Solve for x
x = 81,156,920,323.21/338,219.34 - Step 6: Final answer
x = 239,953.52
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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.