Finding the Fourth Proportional to 272,492.91, 408,767.18 and 104,154.91
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Solution
The fourth proportional to 272,492.91, 408,767.18 and 104,154.91 is: 156,242.99
Step by Step Solution
- Step 1: Write the proportion equation
272,492.91 : 408,767.18 = 104,154.91 : x - Step 2: Convert to fraction form
272,492.91/408,767.18 = 104,154.91/x - Step 3: Cross multiply
272,492.91x = 408,767.18 × 104,154.91 - Step 4: Simplify right side
272,492.91x = 42,575,107,301.16 - Step 5: Solve for x
x = 42,575,107,301.16/272,492.91 - Step 6: Final answer
x = 156,242.99
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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.