Finding the Fourth Proportional to 358,873.15, 538,309.74 and 106,133.97
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Solution
The fourth proportional to 358,873.15, 538,309.74 and 106,133.97 is: 159,200.96
Step by Step Solution
- Step 1: Write the proportion equation
358,873.15 : 538,309.74 = 106,133.97 : x - Step 2: Convert to fraction form
358,873.15/538,309.74 = 106,133.97/x - Step 3: Cross multiply
358,873.15x = 538,309.74 × 106,133.97 - Step 4: Simplify right side
358,873.15x = 57,132,949,795.87 - Step 5: Solve for x
x = 57,132,949,795.87/358,873.15 - Step 6: Final answer
x = 159,200.96
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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.