Finding the Fourth Proportional to 221,739.08, 306,000.26 and 126,245.81
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Solution
The fourth proportional to 221,739.08, 306,000.26 and 126,245.81 is: 174,219.40
Step by Step Solution
- Step 1: Write the proportion equation
221,739.08 : 306,000.26 = 126,245.81 : x - Step 2: Convert to fraction form
221,739.08/306,000.26 = 126,245.81/x - Step 3: Cross multiply
221,739.08x = 306,000.26 × 126,245.81 - Step 4: Simplify right side
221,739.08x = 38,631,248,522.68 - Step 5: Solve for x
x = 38,631,248,522.68/221,739.08 - Step 6: Final answer
x = 174,219.40
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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.