Finding the Fourth Proportional to 314,140.88, 471,209.12 and 127,149.68
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Solution
The fourth proportional to 314,140.88, 471,209.12 and 127,149.68 is: 190,723.63
Step by Step Solution
- Step 1: Write the proportion equation
314,140.88 : 471,209.12 = 127,149.68 : x - Step 2: Convert to fraction form
314,140.88/471,209.12 = 127,149.68/x - Step 3: Cross multiply
314,140.88x = 471,209.12 × 127,149.68 - Step 4: Simplify right side
314,140.88x = 59,914,088,821.08 - Step 5: Solve for x
x = 59,914,088,821.08/314,140.88 - Step 6: Final answer
x = 190,723.63
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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.