Finding the Fourth Proportional to 224,718.70, 336,640.65 and 135,707.80
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Solution
The fourth proportional to 224,718.70, 336,640.65 and 135,707.80 is: 203,297.55
Step by Step Solution
- Step 1: Write the proportion equation
224,718.70 : 336,640.65 = 135,707.80 : x - Step 2: Convert to fraction form
224,718.70/336,640.65 = 135,707.80/x - Step 3: Cross multiply
224,718.70x = 336,640.65 × 135,707.80 - Step 4: Simplify right side
224,718.70x = 45,684,762,002.07 - Step 5: Solve for x
x = 45,684,762,002.07/224,718.70 - Step 6: Final answer
x = 203,297.55
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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.