Finding the Fourth Proportional to 311,388.84, 467,117.76 and 133,913.88
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Solution
The fourth proportional to 311,388.84, 467,117.76 and 133,913.88 is: 200,885.66
Step by Step Solution
- Step 1: Write the proportion equation
311,388.84 : 467,117.76 = 133,913.88 : x - Step 2: Convert to fraction form
311,388.84/467,117.76 = 133,913.88/x - Step 3: Cross multiply
311,388.84x = 467,117.76 × 133,913.88 - Step 4: Simplify right side
311,388.84x = 62,553,551,658.51 - Step 5: Solve for x
x = 62,553,551,658.51/311,388.84 - Step 6: Final answer
x = 200,885.66
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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.