Finding the Fourth Proportional to 548,831.30, 823,246.95 and 194,245.70
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Solution
The fourth proportional to 548,831.30, 823,246.95 and 194,245.70 is: 291,368.55
Step by Step Solution
- Step 1: Write the proportion equation
548,831.30 : 823,246.95 = 194,245.70 : x - Step 2: Convert to fraction form
548,831.30/823,246.95 = 194,245.70/x - Step 3: Cross multiply
548,831.30x = 823,246.95 × 194,245.70 - Step 4: Simplify right side
548,831.30x = 159,912,180,075.62 - Step 5: Solve for x
x = 159,912,180,075.62/548,831.30 - Step 6: Final answer
x = 291,368.55
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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.