Finding the Fourth Proportional to 114,439.64, 157,921.19 and 63,454.44
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Solution
The fourth proportional to 114,439.64, 157,921.19 and 63,454.44 is: 87,564.07
Step by Step Solution
- Step 1: Write the proportion equation
114,439.64 : 157,921.19 = 63,454.44 : x - Step 2: Convert to fraction form
114,439.64/157,921.19 = 63,454.44/x - Step 3: Cross multiply
114,439.64x = 157,921.19 × 63,454.44 - Step 4: Simplify right side
114,439.64x = 10,020,800,657.09 - Step 5: Solve for x
x = 10,020,800,657.09/114,439.64 - Step 6: Final answer
x = 87,564.07
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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.