Finding the Fourth Proportional to 224,785.86, 310,236.98 and 134,145.65
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Solution
The fourth proportional to 224,785.86, 310,236.98 and 134,145.65 is: 185,140.38
Step by Step Solution
- Step 1: Write the proportion equation
224,785.86 : 310,236.98 = 134,145.65 : x - Step 2: Convert to fraction form
224,785.86/310,236.98 = 134,145.65/x - Step 3: Cross multiply
224,785.86x = 310,236.98 × 134,145.65 - Step 4: Simplify right side
224,785.86x = 41,616,939,114.22 - Step 5: Solve for x
x = 41,616,939,114.22/224,785.86 - Step 6: Final answer
x = 185,140.38
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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.