Finding the Fourth Proportional to 449,698.66, 620,593.02 and 245,762.19
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Solution
The fourth proportional to 449,698.66, 620,593.02 and 245,762.19 is: 339,156.67
Step by Step Solution
- Step 1: Write the proportion equation
449,698.66 : 620,593.02 = 245,762.19 : x - Step 2: Convert to fraction form
449,698.66/620,593.02 = 245,762.19/x - Step 3: Cross multiply
449,698.66x = 620,593.02 × 245,762.19 - Step 4: Simplify right side
449,698.66x = 152,518,299,693.91 - Step 5: Solve for x
x = 152,518,299,693.91/449,698.66 - Step 6: Final answer
x = 339,156.67
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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.