Finding the Fourth Proportional to 279,132.08, 418,711.80 and 79,466.48
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Solution
The fourth proportional to 279,132.08, 418,711.80 and 79,466.48 is: 119,203.61
Step by Step Solution
- Step 1: Write the proportion equation
279,132.08 : 418,711.80 = 79,466.48 : x - Step 2: Convert to fraction form
279,132.08/418,711.80 = 79,466.48/x - Step 3: Cross multiply
279,132.08x = 418,711.80 × 79,466.48 - Step 4: Simplify right side
279,132.08x = 33,273,552,880.46 - Step 5: Solve for x
x = 33,273,552,880.46/279,132.08 - Step 6: Final answer
x = 119,203.61
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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.