Finding the Fourth Proportional to 255,028.06, 351,937.77 and 141,850.81
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Solution
The fourth proportional to 255,028.06, 351,937.77 and 141,850.81 is: 195,753.59
Step by Step Solution
- Step 1: Write the proportion equation
255,028.06 : 351,937.77 = 141,850.81 : x - Step 2: Convert to fraction form
255,028.06/351,937.77 = 141,850.81/x - Step 3: Cross multiply
255,028.06x = 351,937.77 × 141,850.81 - Step 4: Simplify right side
255,028.06x = 49,922,657,744.09 - Step 5: Solve for x
x = 49,922,657,744.09/255,028.06 - Step 6: Final answer
x = 195,753.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.