Finding the Fourth Proportional to 355,498.98, 533,445.30 and 212,994.06
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Solution
The fourth proportional to 355,498.98, 533,445.30 and 212,994.06 is: 319,609.02
Step by Step Solution
- Step 1: Write the proportion equation
355,498.98 : 533,445.30 = 212,994.06 : x - Step 2: Convert to fraction form
355,498.98/533,445.30 = 212,994.06/x - Step 3: Cross multiply
355,498.98x = 533,445.30 × 212,994.06 - Step 4: Simplify right side
355,498.98x = 113,620,680,234.92 - Step 5: Solve for x
x = 113,620,680,234.92/355,498.98 - Step 6: Final answer
x = 319,609.02
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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.