Finding the Fourth Proportional to 286,060.14, 394,781.44 and 158,735.74
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Solution
The fourth proportional to 286,060.14, 394,781.44 and 158,735.74 is: 219,065.56
Step by Step Solution
- Step 1: Write the proportion equation
286,060.14 : 394,781.44 = 158,735.74 : x - Step 2: Convert to fraction form
286,060.14/394,781.44 = 158,735.74/x - Step 3: Cross multiply
286,060.14x = 394,781.44 × 158,735.74 - Step 4: Simplify right side
286,060.14x = 62,665,924,016.67 - Step 5: Solve for x
x = 62,665,924,016.67/286,060.14 - Step 6: Final answer
x = 219,065.56
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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.