Finding the Fourth Proportional to 286,101.36, 394,812.36 and 158,773.68
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Solution
The fourth proportional to 286,101.36, 394,812.36 and 158,773.68 is: 219,103.51
Step by Step Solution
- Step 1: Write the proportion equation
286,101.36 : 394,812.36 = 158,773.68 : x - Step 2: Convert to fraction form
286,101.36/394,812.36 = 158,773.68/x - Step 3: Cross multiply
286,101.36x = 394,812.36 × 158,773.68 - Step 4: Simplify right side
286,101.36x = 62,685,811,306.68 - Step 5: Solve for x
x = 62,685,811,306.68/286,101.36 - Step 6: Final answer
x = 219,103.51
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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.