Finding the Fourth Proportional to 448,246.20, 671,462.10 and 279,247.80
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Solution
The fourth proportional to 448,246.20, 671,462.10 and 279,247.80 is: 418,306.53
Step by Step Solution
- Step 1: Write the proportion equation
448,246.20 : 671,462.10 = 279,247.80 : x - Step 2: Convert to fraction form
448,246.20/671,462.10 = 279,247.80/x - Step 3: Cross multiply
448,246.20x = 671,462.10 × 279,247.80 - Step 4: Simplify right side
448,246.20x = 187,504,314,208.38 - Step 5: Solve for x
x = 187,504,314,208.38/448,246.20 - Step 6: Final answer
x = 418,306.53
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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.