Finding the Fourth Proportional to 220,695.36, 304,566.48 and 125,206.08
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Solution
The fourth proportional to 220,695.36, 304,566.48 and 125,206.08 is: 172,788.30
Step by Step Solution
- Step 1: Write the proportion equation
220,695.36 : 304,566.48 = 125,206.08 : x - Step 2: Convert to fraction form
220,695.36/304,566.48 = 125,206.08/x - Step 3: Cross multiply
220,695.36x = 304,566.48 × 125,206.08 - Step 4: Simplify right side
220,695.36x = 38,133,575,060.20 - Step 5: Solve for x
x = 38,133,575,060.20/220,695.36 - Step 6: Final answer
x = 172,788.30
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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.