Finding the Fourth Proportional to 165,887.70, 248,831.55 and 124,415.70
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Solution
The fourth proportional to 165,887.70, 248,831.55 and 124,415.70 is: 186,623.55
Step by Step Solution
- Step 1: Write the proportion equation
165,887.70 : 248,831.55 = 124,415.70 : x - Step 2: Convert to fraction form
165,887.70/248,831.55 = 124,415.70/x - Step 3: Cross multiply
165,887.70x = 248,831.55 × 124,415.70 - Step 4: Simplify right side
165,887.70x = 30,958,551,475.34 - Step 5: Solve for x
x = 30,958,551,475.34/165,887.70 - Step 6: Final answer
x = 186,623.55
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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.