Finding the Fourth Proportional to 363,887.70, 545,831.55 and 330,645.30
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Solution
The fourth proportional to 363,887.70, 545,831.55 and 330,645.30 is: 495,967.95
Step by Step Solution
- Step 1: Write the proportion equation
363,887.70 : 545,831.55 = 330,645.30 : x - Step 2: Convert to fraction form
363,887.70/545,831.55 = 330,645.30/x - Step 3: Cross multiply
363,887.70x = 545,831.55 × 330,645.30 - Step 4: Simplify right side
363,887.70x = 180,476,636,599.22 - Step 5: Solve for x
x = 180,476,636,599.22/363,887.70 - Step 6: Final answer
x = 495,967.95
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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.