Finding the Fourth Proportional to 318,804.48, 440,022.24 and 242,534.88
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Solution
The fourth proportional to 318,804.48, 440,022.24 and 242,534.88 is: 334,752.95
Step by Step Solution
- Step 1: Write the proportion equation
318,804.48 : 440,022.24 = 242,534.88 : x - Step 2: Convert to fraction form
318,804.48/440,022.24 = 242,534.88/x - Step 3: Cross multiply
318,804.48x = 440,022.24 × 242,534.88 - Step 4: Simplify right side
318,804.48x = 106,720,741,175.73 - Step 5: Solve for x
x = 106,720,741,175.73/318,804.48 - Step 6: Final answer
x = 334,752.95
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1.5x scale
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.