Finding the Fourth Proportional to 465,101.46, 641,831.85 and 261,153.99
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Solution
The fourth proportional to 465,101.46, 641,831.85 and 261,153.99 is: 360,387.92
Step by Step Solution
- Step 1: Write the proportion equation
465,101.46 : 641,831.85 = 261,153.99 : x - Step 2: Convert to fraction form
465,101.46/641,831.85 = 261,153.99/x - Step 3: Cross multiply
465,101.46x = 641,831.85 × 261,153.99 - Step 4: Simplify right side
465,101.46x = 167,616,948,536.58 - Step 5: Solve for x
x = 167,616,948,536.58/465,101.46 - Step 6: Final answer
x = 360,387.92
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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.