Finding the Fourth Proportional to 157,188.30, 235,640.24 and 57,325.08
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Solution
The fourth proportional to 157,188.30, 235,640.24 and 57,325.08 is: 85,935.76
Step by Step Solution
- Step 1: Write the proportion equation
157,188.30 : 235,640.24 = 57,325.08 : x - Step 2: Convert to fraction form
157,188.30/235,640.24 = 57,325.08/x - Step 3: Cross multiply
157,188.30x = 235,640.24 × 57,325.08 - Step 4: Simplify right side
157,188.30x = 13,508,096,421.21 - Step 5: Solve for x
x = 13,508,096,421.21/157,188.30 - Step 6: Final answer
x = 85,935.76
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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.