Finding the Fourth Proportional to 459,468.20, 633,975.08 and 278,196.99
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Solution
The fourth proportional to 459,468.20, 633,975.08 and 278,196.99 is: 383,856.73
Step by Step Solution
- Step 1: Write the proportion equation
459,468.20 : 633,975.08 = 278,196.99 : x - Step 2: Convert to fraction form
459,468.20/633,975.08 = 278,196.99/x - Step 3: Cross multiply
459,468.20x = 633,975.08 × 278,196.99 - Step 4: Simplify right side
459,468.20x = 176,369,960,462.68 - Step 5: Solve for x
x = 176,369,960,462.68/459,468.20 - Step 6: Final answer
x = 383,856.73
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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.