Finding the Fourth Proportional to 387,831.99, 534,766.87 and 273,073.95
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Solution
The fourth proportional to 387,831.99, 534,766.87 and 273,073.95 is: 376,531.35
Step by Step Solution
- Step 1: Write the proportion equation
387,831.99 : 534,766.87 = 273,073.95 : x - Step 2: Convert to fraction form
387,831.99/534,766.87 = 273,073.95/x - Step 3: Cross multiply
387,831.99x = 534,766.87 × 273,073.95 - Step 4: Simplify right side
387,831.99x = 146,030,901,520.04 - Step 5: Solve for x
x = 146,030,901,520.04/387,831.99 - Step 6: Final answer
x = 376,531.35
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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.