Finding the Fourth Proportional to 224,647.80, 310,014.68 and 122,674.20
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Solution
The fourth proportional to 224,647.80, 310,014.68 and 122,674.20 is: 169,290.79
Step by Step Solution
- Step 1: Write the proportion equation
224,647.80 : 310,014.68 = 122,674.20 : x - Step 2: Convert to fraction form
224,647.80/310,014.68 = 122,674.20/x - Step 3: Cross multiply
224,647.80x = 310,014.68 × 122,674.20 - Step 4: Simplify right side
224,647.80x = 38,030,802,857.26 - Step 5: Solve for x
x = 38,030,802,857.26/224,647.80 - Step 6: Final answer
x = 169,290.79
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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.