Finding the Fourth Proportional to 272,898.48, 409,406.04 and 206,365.08
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Solution
The fourth proportional to 272,898.48, 409,406.04 and 206,365.08 is: 309,591.72
Step by Step Solution
- Step 1: Write the proportion equation
272,898.48 : 409,406.04 = 206,365.08 : x - Step 2: Convert to fraction form
272,898.48/409,406.04 = 206,365.08/x - Step 3: Cross multiply
272,898.48x = 409,406.04 × 206,365.08 - Step 4: Simplify right side
272,898.48x = 84,487,110,197.08 - Step 5: Solve for x
x = 84,487,110,197.08/272,898.48 - Step 6: Final answer
x = 309,591.72
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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.