Finding the Fourth Proportional to 121,342.08, 182,031.36 and 38,234.88
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Solution
The fourth proportional to 121,342.08, 182,031.36 and 38,234.88 is: 57,358.07
Step by Step Solution
- Step 1: Write the proportion equation
121,342.08 : 182,031.36 = 38,234.88 : x - Step 2: Convert to fraction form
121,342.08/182,031.36 = 38,234.88/x - Step 3: Cross multiply
121,342.08x = 182,031.36 × 38,234.88 - Step 4: Simplify right side
121,342.08x = 6,959,947,205.84 - Step 5: Solve for x
x = 6,959,947,205.84/121,342.08 - Step 6: Final answer
x = 57,358.07
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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.