Finding the Fourth Proportional to 114,009.14, 157,331.48 and 63,708.14
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Solution
The fourth proportional to 114,009.14, 157,331.48 and 63,708.14 is: 87,916.60
Step by Step Solution
- Step 1: Write the proportion equation
114,009.14 : 157,331.48 = 63,708.14 : x - Step 2: Convert to fraction form
114,009.14/157,331.48 = 63,708.14/x - Step 3: Cross multiply
114,009.14x = 157,331.48 × 63,708.14 - Step 4: Simplify right side
114,009.14x = 10,023,295,954.25 - Step 5: Solve for x
x = 10,023,295,954.25/114,009.14 - Step 6: Final answer
x = 87,916.60
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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.