Finding the Fourth Proportional to 114,428.64, 157,927.86 and 63,452.70
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Solution
The fourth proportional to 114,428.64, 157,927.86 and 63,452.70 is: 87,573.79
Step by Step Solution
- Step 1: Write the proportion equation
114,428.64 : 157,927.86 = 63,452.70 : x - Step 2: Convert to fraction form
114,428.64/157,927.86 = 63,452.70/x - Step 3: Cross multiply
114,428.64x = 157,927.86 × 63,452.70 - Step 4: Simplify right side
114,428.64x = 10,020,949,122.22 - Step 5: Solve for x
x = 10,020,949,122.22/114,428.64 - Step 6: Final answer
x = 87,573.79
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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.