Finding the Fourth Proportional to 446,831.19, 616,625.85 and 242,882.10
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Solution
The fourth proportional to 446,831.19, 616,625.85 and 242,882.10 is: 335,176.65
Step by Step Solution
- Step 1: Write the proportion equation
446,831.19 : 616,625.85 = 242,882.10 : x - Step 2: Convert to fraction form
446,831.19/616,625.85 = 242,882.10/x - Step 3: Cross multiply
446,831.19x = 616,625.85 × 242,882.10 - Step 4: Simplify right side
446,831.19x = 149,767,381,362.29 - Step 5: Solve for x
x = 149,767,381,362.29/446,831.19 - Step 6: Final answer
x = 335,176.65
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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.