Finding the Fourth Proportional to 286,032.14, 394,724.34 and 158,708.66
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Solution
The fourth proportional to 286,032.14, 394,724.34 and 158,708.66 is: 219,017.94
Step by Step Solution
- Step 1: Write the proportion equation
286,032.14 : 394,724.34 = 158,708.66 : x - Step 2: Convert to fraction form
286,032.14/394,724.34 = 158,708.66/x - Step 3: Cross multiply
286,032.14x = 394,724.34 × 158,708.66 - Step 4: Simplify right side
286,032.14x = 62,646,171,070.78 - Step 5: Solve for x
x = 62,646,171,070.78/286,032.14 - Step 6: Final answer
x = 219,017.94
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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.