Finding the Fourth Proportional to 361,874.52, 499,377.18 and 208,907.53
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Solution
The fourth proportional to 361,874.52, 499,377.18 and 208,907.53 is: 288,286.82
Step by Step Solution
- Step 1: Write the proportion equation
361,874.52 : 499,377.18 = 208,907.53 : x - Step 2: Convert to fraction form
361,874.52/499,377.18 = 208,907.53/x - Step 3: Cross multiply
361,874.52x = 499,377.18 × 208,907.53 - Step 4: Simplify right side
361,874.52x = 104,323,653,212.17 - Step 5: Solve for x
x = 104,323,653,212.17/361,874.52 - Step 6: Final answer
x = 288,286.82
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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.