Finding the Fourth Proportional to 75,304.40, 112,920.12 and 22,704.08
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Solution
The fourth proportional to 75,304.40, 112,920.12 and 22,704.08 is: 34,045.12
Step by Step Solution
- Step 1: Write the proportion equation
75,304.40 : 112,920.12 = 22,704.08 : x - Step 2: Convert to fraction form
75,304.40/112,920.12 = 22,704.08/x - Step 3: Cross multiply
75,304.40x = 112,920.12 × 22,704.08 - Step 4: Simplify right side
75,304.40x = 2,563,747,438.09 - Step 5: Solve for x
x = 2,563,747,438.09/75,304.40 - Step 6: Final answer
x = 34,045.12
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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.