Finding the Fourth Proportional to 461,777.44, 637,246.82 and 257,831.84
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Solution
The fourth proportional to 461,777.44, 637,246.82 and 257,831.84 is: 355,804.56
Step by Step Solution
- Step 1: Write the proportion equation
461,777.44 : 637,246.82 = 257,831.84 : x - Step 2: Convert to fraction form
461,777.44/637,246.82 = 257,831.84/x - Step 3: Cross multiply
461,777.44x = 637,246.82 × 257,831.84 - Step 4: Simplify right side
461,777.44x = 164,302,520,134.75 - Step 5: Solve for x
x = 164,302,520,134.75/461,777.44 - Step 6: Final answer
x = 355,804.56
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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.