Finding the Fourth Proportional to 104,602.05, 156,879.45 and 29,720.52
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Solution
The fourth proportional to 104,602.05, 156,879.45 and 29,720.52 is: 44,574.07
Step by Step Solution
- Step 1: Write the proportion equation
104,602.05 : 156,879.45 = 29,720.52 : x - Step 2: Convert to fraction form
104,602.05/156,879.45 = 29,720.52/x - Step 3: Cross multiply
104,602.05x = 156,879.45 × 29,720.52 - Step 4: Simplify right side
104,602.05x = 4,662,538,831.31 - Step 5: Solve for x
x = 4,662,538,831.31/104,602.05 - Step 6: Final answer
x = 44,574.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.