Finding the Fourth Proportional to 224,739.24, 310,202.69 and 129,276.69
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Solution
The fourth proportional to 224,739.24, 310,202.69 and 129,276.69 is: 178,437.81
Step by Step Solution
- Step 1: Write the proportion equation
224,739.24 : 310,202.69 = 129,276.69 : x - Step 2: Convert to fraction form
224,739.24/310,202.69 = 129,276.69/x - Step 3: Cross multiply
224,739.24x = 310,202.69 × 129,276.69 - Step 4: Simplify right side
224,739.24x = 40,101,976,992.30 - Step 5: Solve for x
x = 40,101,976,992.30/224,739.24 - Step 6: Final answer
x = 178,437.81
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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.