Finding the Fourth Proportional to 489,334.95, 733,753.35 and 189,901.44
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Solution
The fourth proportional to 489,334.95, 733,753.35 and 189,901.44 is: 284,755.50
Step by Step Solution
- Step 1: Write the proportion equation
489,334.95 : 733,753.35 = 189,901.44 : x - Step 2: Convert to fraction form
489,334.95/733,753.35 = 189,901.44/x - Step 3: Cross multiply
489,334.95x = 733,753.35 × 189,901.44 - Step 4: Simplify right side
489,334.95x = 139,340,817,769.82 - Step 5: Solve for x
x = 139,340,817,769.82/489,334.95 - Step 6: Final answer
x = 284,755.50
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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.