Finding the Fourth Proportional to 279,480.24, 419,423.40 and 209,548.08
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Solution
The fourth proportional to 279,480.24, 419,423.40 and 209,548.08 is: 314,474.35
Step by Step Solution
- Step 1: Write the proportion equation
279,480.24 : 419,423.40 = 209,548.08 : x - Step 2: Convert to fraction form
279,480.24/419,423.40 = 209,548.08/x - Step 3: Cross multiply
279,480.24x = 419,423.40 × 209,548.08 - Step 4: Simplify right side
279,480.24x = 87,889,368,177.07 - Step 5: Solve for x
x = 87,889,368,177.07/279,480.24 - Step 6: Final answer
x = 314,474.35
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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.