Finding the Fourth Proportional to 371,649.99, 512,831.25 and 226,403.05
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Solution
The fourth proportional to 371,649.99, 512,831.25 and 226,403.05 is: 312,408.35
Step by Step Solution
- Step 1: Write the proportion equation
371,649.99 : 512,831.25 = 226,403.05 : x - Step 2: Convert to fraction form
371,649.99/512,831.25 = 226,403.05/x - Step 3: Cross multiply
371,649.99x = 512,831.25 × 226,403.05 - Step 4: Simplify right side
371,649.99x = 116,106,559,135.31 - Step 5: Solve for x
x = 116,106,559,135.31/371,649.99 - Step 6: Final answer
x = 312,408.35
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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.