Finding the Fourth Proportional to 329,458.17, 493,622.53 and 221,184.75
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Solution
The fourth proportional to 329,458.17, 493,622.53 and 221,184.75 is: 331,397.99
Step by Step Solution
- Step 1: Write the proportion equation
329,458.17 : 493,622.53 = 221,184.75 : x - Step 2: Convert to fraction form
329,458.17/493,622.53 = 221,184.75/x - Step 3: Cross multiply
329,458.17x = 493,622.53 × 221,184.75 - Step 4: Simplify right side
329,458.17x = 109,181,775,892.42 - Step 5: Solve for x
x = 109,181,775,892.42/329,458.17 - Step 6: Final answer
x = 331,397.99
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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.