Finding the Fourth Proportional to 112,328.56, 155,013.44 and 62,027.52
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Solution
The fourth proportional to 112,328.56, 155,013.44 and 62,027.52 is: 85,597.99
Step by Step Solution
- Step 1: Write the proportion equation
112,328.56 : 155,013.44 = 62,027.52 : x - Step 2: Convert to fraction form
112,328.56/155,013.44 = 62,027.52/x - Step 3: Cross multiply
112,328.56x = 155,013.44 × 62,027.52 - Step 4: Simplify right side
112,328.56x = 9,615,099,249.87 - Step 5: Solve for x
x = 9,615,099,249.87/112,328.56 - Step 6: Final answer
x = 85,597.99
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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.