Finding the Fourth Proportional to 224,773.70, 310,175.26 and 129,281.99
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Solution
The fourth proportional to 224,773.70, 310,175.26 and 129,281.99 is: 178,401.98
Step by Step Solution
- Step 1: Write the proportion equation
224,773.70 : 310,175.26 = 129,281.99 : x - Step 2: Convert to fraction form
224,773.70/310,175.26 = 129,281.99/x - Step 3: Cross multiply
224,773.70x = 310,175.26 × 129,281.99 - Step 4: Simplify right side
224,773.70x = 40,100,072,987.49 - Step 5: Solve for x
x = 40,100,072,987.49/224,773.70 - Step 6: Final answer
x = 178,401.98
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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.