Finding the Fourth Proportional to 272,989.19, 409,542.11 and 95,501.99
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Solution
The fourth proportional to 272,989.19, 409,542.11 and 95,501.99 is: 143,273.39
Step by Step Solution
- Step 1: Write the proportion equation
272,989.19 : 409,542.11 = 95,501.99 : x - Step 2: Convert to fraction form
272,989.19/409,542.11 = 95,501.99/x - Step 3: Cross multiply
272,989.19x = 409,542.11 × 95,501.99 - Step 4: Simplify right side
272,989.19x = 39,112,087,398.28 - Step 5: Solve for x
x = 39,112,087,398.28/272,989.19 - Step 6: Final answer
x = 143,273.39
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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.