Finding the Fourth Proportional to 114,305.08, 157,742.28 and 63,318.60
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Solution
The fourth proportional to 114,305.08, 157,742.28 and 63,318.60 is: 87,380.37
Step by Step Solution
- Step 1: Write the proportion equation
114,305.08 : 157,742.28 = 63,318.60 : x - Step 2: Convert to fraction form
114,305.08/157,742.28 = 63,318.60/x - Step 3: Cross multiply
114,305.08x = 157,742.28 × 63,318.60 - Step 4: Simplify right side
114,305.08x = 9,988,020,330.41 - Step 5: Solve for x
x = 9,988,020,330.41/114,305.08 - Step 6: Final answer
x = 87,380.37
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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.