Finding the Fourth Proportional to 113,887.80, 170,831.70 and 113,887.80
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Solution
The fourth proportional to 113,887.80, 170,831.70 and 113,887.80 is: 170,831.70
Step by Step Solution
- Step 1: Write the proportion equation
113,887.80 : 170,831.70 = 113,887.80 : x - Step 2: Convert to fraction form
113,887.80/170,831.70 = 113,887.80/x - Step 3: Cross multiply
113,887.80x = 170,831.70 × 113,887.80 - Step 4: Simplify right side
113,887.80x = 19,455,646,483.26 - Step 5: Solve for x
x = 19,455,646,483.26/113,887.80 - Step 6: Final answer
x = 170,831.70
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1.5x scale
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.