Finding the Fourth Proportional to 238,031.78, 328,483.80 and 136,059.44
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Solution
The fourth proportional to 238,031.78, 328,483.80 and 136,059.44 is: 187,761.99
Step by Step Solution
- Step 1: Write the proportion equation
238,031.78 : 328,483.80 = 136,059.44 : x - Step 2: Convert to fraction form
238,031.78/328,483.80 = 136,059.44/x - Step 3: Cross multiply
238,031.78x = 328,483.80 × 136,059.44 - Step 4: Simplify right side
238,031.78x = 44,693,320,234.65 - Step 5: Solve for x
x = 44,693,320,234.65/238,031.78 - Step 6: Final answer
x = 187,761.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.