Finding the Fourth Proportional to 224,859.36, 310,337.28 and 129,365.76
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Solution
The fourth proportional to 224,859.36, 310,337.28 and 129,365.76 is: 178,542.79
Step by Step Solution
- Step 1: Write the proportion equation
224,859.36 : 310,337.28 = 129,365.76 : x - Step 2: Convert to fraction form
224,859.36/310,337.28 = 129,365.76/x - Step 3: Cross multiply
224,859.36x = 310,337.28 × 129,365.76 - Step 4: Simplify right side
224,859.36x = 40,147,018,083.53 - Step 5: Solve for x
x = 40,147,018,083.53/224,859.36 - Step 6: Final answer
x = 178,542.79
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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.