Finding the Fourth Proportional to 272,181.30, 408,354.99 and 139,154.98
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Solution
The fourth proportional to 272,181.30, 408,354.99 and 139,154.98 is: 208,774.92
Step by Step Solution
- Step 1: Write the proportion equation
272,181.30 : 408,354.99 = 139,154.98 : x - Step 2: Convert to fraction form
272,181.30/408,354.99 = 139,154.98/x - Step 3: Cross multiply
272,181.30x = 408,354.99 × 139,154.98 - Step 4: Simplify right side
272,181.30x = 56,824,629,445.46 - Step 5: Solve for x
x = 56,824,629,445.46/272,181.30 - Step 6: Final answer
x = 208,774.92
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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.