Finding the Fourth Proportional to 169,129.15, 233,237.17 and 101,135.05
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Solution
The fourth proportional to 169,129.15, 233,237.17 and 101,135.05 is: 139,470.06
Step by Step Solution
- Step 1: Write the proportion equation
169,129.15 : 233,237.17 = 101,135.05 : x - Step 2: Convert to fraction form
169,129.15/233,237.17 = 101,135.05/x - Step 3: Cross multiply
169,129.15x = 233,237.17 × 101,135.05 - Step 4: Simplify right side
169,129.15x = 23,588,452,393.13 - Step 5: Solve for x
x = 23,588,452,393.13/169,129.15 - Step 6: Final answer
x = 139,470.06
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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.