Finding the Fourth Proportional to 226,602.99, 312,705.87 and 124,628.47
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Solution
The fourth proportional to 226,602.99, 312,705.87 and 124,628.47 is: 171,983.85
Step by Step Solution
- Step 1: Write the proportion equation
226,602.99 : 312,705.87 = 124,628.47 : x - Step 2: Convert to fraction form
226,602.99/312,705.87 = 124,628.47/x - Step 3: Cross multiply
226,602.99x = 312,705.87 × 124,628.47 - Step 4: Simplify right side
226,602.99x = 38,972,055,042.30 - Step 5: Solve for x
x = 38,972,055,042.30/226,602.99 - Step 6: Final answer
x = 171,983.85
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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.