Finding the Fourth Proportional to 357,589.03, 493,253.97 and 212,296.20
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Solution
The fourth proportional to 357,589.03, 493,253.97 and 212,296.20 is: 292,838.80
Step by Step Solution
- Step 1: Write the proportion equation
357,589.03 : 493,253.97 = 212,296.20 : x - Step 2: Convert to fraction form
357,589.03/493,253.97 = 212,296.20/x - Step 3: Cross multiply
357,589.03x = 493,253.97 × 212,296.20 - Step 4: Simplify right side
357,589.03x = 104,715,943,465.91 - Step 5: Solve for x
x = 104,715,943,465.91/357,589.03 - Step 6: Final answer
x = 292,838.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.