Finding the Fourth Proportional to 292,169.68, 438,503.20 and 114,800.72
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Solution
The fourth proportional to 292,169.68, 438,503.20 and 114,800.72 is: 172,298.79
Step by Step Solution
- Step 1: Write the proportion equation
292,169.68 : 438,503.20 = 114,800.72 : x - Step 2: Convert to fraction form
292,169.68/438,503.20 = 114,800.72/x - Step 3: Cross multiply
292,169.68x = 438,503.20 × 114,800.72 - Step 4: Simplify right side
292,169.68x = 50,340,483,082.30 - Step 5: Solve for x
x = 50,340,483,082.30/292,169.68 - Step 6: Final answer
x = 172,298.79
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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.