Finding the Fourth Proportional to 314,130.87, 471,194.14 and 127,139.67
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Solution
The fourth proportional to 314,130.87, 471,194.14 and 127,139.67 is: 190,708.63
Step by Step Solution
- Step 1: Write the proportion equation
314,130.87 : 471,194.14 = 127,139.67 : x - Step 2: Convert to fraction form
314,130.87/471,194.14 = 127,139.67/x - Step 3: Cross multiply
314,130.87x = 471,194.14 × 127,139.67 - Step 4: Simplify right side
314,130.87x = 59,907,467,465.53 - Step 5: Solve for x
x = 59,907,467,465.53/314,130.87 - Step 6: Final answer
x = 190,708.63
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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.