Finding the Fourth Proportional to 221,926.34, 306,252.18 and 125,129.34
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Solution
The fourth proportional to 221,926.34, 306,252.18 and 125,129.34 is: 172,675.01
Step by Step Solution
- Step 1: Write the proportion equation
221,926.34 : 306,252.18 = 125,129.34 : x - Step 2: Convert to fraction form
221,926.34/306,252.18 = 125,129.34/x - Step 3: Cross multiply
221,926.34x = 306,252.18 × 125,129.34 - Step 4: Simplify right side
221,926.34x = 38,321,133,156.96 - Step 5: Solve for x
x = 38,321,133,156.96/221,926.34 - Step 6: Final answer
x = 172,675.01
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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.