Finding the Fourth Proportional to 224,751.30, 310,166.20 and 129,258.06
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Solution
The fourth proportional to 224,751.30, 310,166.20 and 129,258.06 is: 178,381.53
Step by Step Solution
- Step 1: Write the proportion equation
224,751.30 : 310,166.20 = 129,258.06 : x - Step 2: Convert to fraction form
224,751.30/310,166.20 = 129,258.06/x - Step 3: Cross multiply
224,751.30x = 310,166.20 × 129,258.06 - Step 4: Simplify right side
224,751.30x = 40,091,481,289.57 - Step 5: Solve for x
x = 40,091,481,289.57/224,751.30 - Step 6: Final answer
x = 178,381.53
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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.