Finding the Fourth Proportional to 262,798.65, 394,223.78 and 70,670.70
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Solution
The fourth proportional to 262,798.65, 394,223.78 and 70,670.70 is: 106,012.99
Step by Step Solution
- Step 1: Write the proportion equation
262,798.65 : 394,223.78 = 70,670.70 : x - Step 2: Convert to fraction form
262,798.65/394,223.78 = 70,670.70/x - Step 3: Cross multiply
262,798.65x = 394,223.78 × 70,670.70 - Step 4: Simplify right side
262,798.65x = 27,860,070,489.25 - Step 5: Solve for x
x = 27,860,070,489.25/262,798.65 - Step 6: Final answer
x = 106,012.99
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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.