Finding the Fourth Proportional to 121,555.44, 181,997.28 and 62,263.44
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Solution
The fourth proportional to 121,555.44, 181,997.28 and 62,263.44 is: 93,223.11
Step by Step Solution
- Step 1: Write the proportion equation
121,555.44 : 181,997.28 = 62,263.44 : x - Step 2: Convert to fraction form
121,555.44/181,997.28 = 62,263.44/x - Step 3: Cross multiply
121,555.44x = 181,997.28 × 62,263.44 - Step 4: Simplify right side
121,555.44x = 11,331,776,723.44 - Step 5: Solve for x
x = 11,331,776,723.44/121,555.44 - Step 6: Final answer
x = 93,223.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.