Finding the Fourth Proportional to 323,623.95, 484,135.05 and 279,721.95
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Solution
The fourth proportional to 323,623.95, 484,135.05 and 279,721.95 is: 418,458.52
Step by Step Solution
- Step 1: Write the proportion equation
323,623.95 : 484,135.05 = 279,721.95 : x - Step 2: Convert to fraction form
323,623.95/484,135.05 = 279,721.95/x - Step 3: Cross multiply
323,623.95x = 484,135.05 × 279,721.95 - Step 4: Simplify right side
323,623.95x = 135,423,200,249.35 - Step 5: Solve for x
x = 135,423,200,249.35/323,623.95 - Step 6: Final answer
x = 418,458.52
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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.