Finding the Fourth Proportional to 134,572.03, 201,862.79 and 71,306.66
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Solution
The fourth proportional to 134,572.03, 201,862.79 and 71,306.66 is: 106,962.50
Step by Step Solution
- Step 1: Write the proportion equation
134,572.03 : 201,862.79 = 71,306.66 : x - Step 2: Convert to fraction form
134,572.03/201,862.79 = 71,306.66/x - Step 3: Cross multiply
134,572.03x = 201,862.79 × 71,306.66 - Step 4: Simplify right side
134,572.03x = 14,394,161,333.18 - Step 5: Solve for x
x = 14,394,161,333.18/134,572.03 - Step 6: Final answer
x = 106,962.50
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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.