Finding the Fourth Proportional to 314,130.88, 471,194.14 and 127,139.68
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Solution
The fourth proportional to 314,130.88, 471,194.14 and 127,139.68 is: 190,708.64
Step by Step Solution
- Step 1: Write the proportion equation
314,130.88 : 471,194.14 = 127,139.68 : x - Step 2: Convert to fraction form
314,130.88/471,194.14 = 127,139.68/x - Step 3: Cross multiply
314,130.88x = 471,194.14 × 127,139.68 - Step 4: Simplify right side
314,130.88x = 59,907,472,177.48 - Step 5: Solve for x
x = 59,907,472,177.48/314,130.88 - Step 6: Final answer
x = 190,708.64
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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.