Finding the Fourth Proportional to 224,918.39, 310,337.37 and 129,425.09
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Solution
The fourth proportional to 224,918.39, 310,337.37 and 129,425.09 is: 178,577.84
Step by Step Solution
- Step 1: Write the proportion equation
224,918.39 : 310,337.37 = 129,425.09 : x - Step 2: Convert to fraction form
224,918.39/310,337.37 = 129,425.09/x - Step 3: Cross multiply
224,918.39x = 310,337.37 × 129,425.09 - Step 4: Simplify right side
224,918.39x = 40,165,440,490.93 - Step 5: Solve for x
x = 40,165,440,490.93/224,918.39 - Step 6: Final answer
x = 178,577.84
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1.5x scale
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.