Finding the Fourth Proportional to 226,543.06, 312,637.44 and 124,576.30
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Solution
The fourth proportional to 226,543.06, 312,637.44 and 124,576.30 is: 171,919.70
Step by Step Solution
- Step 1: Write the proportion equation
226,543.06 : 312,637.44 = 124,576.30 : x - Step 2: Convert to fraction form
226,543.06/312,637.44 = 124,576.30/x - Step 3: Cross multiply
226,543.06x = 312,637.44 × 124,576.30 - Step 4: Simplify right side
226,543.06x = 38,947,215,516.67 - Step 5: Solve for x
x = 38,947,215,516.67/226,543.06 - Step 6: Final answer
x = 171,919.70
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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.