Finding the Fourth Proportional to 157,025.62, 235,395.88 and 57,115.18
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Solution
The fourth proportional to 157,025.62, 235,395.88 and 57,115.18 is: 85,620.92
Step by Step Solution
- Step 1: Write the proportion equation
157,025.62 : 235,395.88 = 57,115.18 : x - Step 2: Convert to fraction form
157,025.62/235,395.88 = 57,115.18/x - Step 3: Cross multiply
157,025.62x = 235,395.88 × 57,115.18 - Step 4: Simplify right side
157,025.62x = 13,444,677,326.18 - Step 5: Solve for x
x = 13,444,677,326.18/157,025.62 - Step 6: Final answer
x = 85,620.92
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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.