Finding the Fourth Proportional to 272,684.80, 409,047.68 and 73,000.76
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Solution
The fourth proportional to 272,684.80, 409,047.68 and 73,000.76 is: 109,506.62
Step by Step Solution
- Step 1: Write the proportion equation
272,684.80 : 409,047.68 = 73,000.76 : x - Step 2: Convert to fraction form
272,684.80/409,047.68 = 73,000.76/x - Step 3: Cross multiply
272,684.80x = 409,047.68 × 73,000.76 - Step 4: Simplify right side
272,684.80x = 29,860,791,516.24 - Step 5: Solve for x
x = 29,860,791,516.24/272,684.80 - Step 6: Final answer
x = 109,506.62
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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.