Finding the Fourth Proportional to 221,848.70, 306,151.19 and 126,410.75
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Solution
The fourth proportional to 221,848.70, 306,151.19 and 126,410.75 is: 174,446.82
Step by Step Solution
- Step 1: Write the proportion equation
221,848.70 : 306,151.19 = 126,410.75 : x - Step 2: Convert to fraction form
221,848.70/306,151.19 = 126,410.75/x - Step 3: Cross multiply
221,848.70x = 306,151.19 × 126,410.75 - Step 4: Simplify right side
221,848.70x = 38,700,799,378.48 - Step 5: Solve for x
x = 38,700,799,378.48/221,848.70 - Step 6: Final answer
x = 174,446.82
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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.