Finding the Fourth Proportional to 285,177.47, 427,733.37 and 74,831.81
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Solution
The fourth proportional to 285,177.47, 427,733.37 and 74,831.81 is: 112,239.09
Step by Step Solution
- Step 1: Write the proportion equation
285,177.47 : 427,733.37 = 74,831.81 : x - Step 2: Convert to fraction form
285,177.47/427,733.37 = 74,831.81/x - Step 3: Cross multiply
285,177.47x = 427,733.37 × 74,831.81 - Step 4: Simplify right side
285,177.47x = 32,008,060,135.83 - Step 5: Solve for x
x = 32,008,060,135.83/285,177.47 - Step 6: Final answer
x = 112,239.09
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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.