Finding the Fourth Proportional to 314,381.80, 471,572.70 and 101,149.30
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Solution
The fourth proportional to 314,381.80, 471,572.70 and 101,149.30 is: 151,723.95
Step by Step Solution
- Step 1: Write the proportion equation
314,381.80 : 471,572.70 = 101,149.30 : x - Step 2: Convert to fraction form
314,381.80/471,572.70 = 101,149.30/x - Step 3: Cross multiply
314,381.80x = 471,572.70 × 101,149.30 - Step 4: Simplify right side
314,381.80x = 47,699,248,504.11 - Step 5: Solve for x
x = 47,699,248,504.11/314,381.80 - Step 6: Final answer
x = 151,723.95
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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.