Finding the Fourth Proportional to 220,742.02, 304,614.99 and 125,246.68
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Solution
The fourth proportional to 220,742.02, 304,614.99 and 125,246.68 is: 172,835.31
Step by Step Solution
- Step 1: Write the proportion equation
220,742.02 : 304,614.99 = 125,246.68 : x - Step 2: Convert to fraction form
220,742.02/304,614.99 = 125,246.68/x - Step 3: Cross multiply
220,742.02x = 304,614.99 × 125,246.68 - Step 4: Simplify right side
220,742.02x = 38,152,016,175.73 - Step 5: Solve for x
x = 38,152,016,175.73/220,742.02 - Step 6: Final answer
x = 172,835.31
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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.