Finding the Fourth Proportional to 329,589.95, 493,819.86 and 221,316.35
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Solution
The fourth proportional to 329,589.95, 493,819.86 and 221,316.35 is: 331,595.09
Step by Step Solution
- Step 1: Write the proportion equation
329,589.95 : 493,819.86 = 221,316.35 : x - Step 2: Convert to fraction form
329,589.95/493,819.86 = 221,316.35/x - Step 3: Cross multiply
329,589.95x = 493,819.86 × 221,316.35 - Step 4: Simplify right side
329,589.95x = 109,290,408,866.38 - Step 5: Solve for x
x = 109,290,408,866.38/329,589.95 - Step 6: Final answer
x = 331,595.09
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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.