Finding the Fourth Proportional to 492,603.86, 679,831.83 and 274,880.99
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Solution
The fourth proportional to 492,603.86, 679,831.83 and 274,880.99 is: 379,357.25
Step by Step Solution
- Step 1: Write the proportion equation
492,603.86 : 679,831.83 = 274,880.99 : x - Step 2: Convert to fraction form
492,603.86/679,831.83 = 274,880.99/x - Step 3: Cross multiply
492,603.86x = 679,831.83 × 274,880.99 - Step 4: Simplify right side
492,603.86x = 186,872,846,463.91 - Step 5: Solve for x
x = 186,872,846,463.91/492,603.86 - Step 6: Final answer
x = 379,357.25
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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.