Finding the Fourth Proportional to 318,080.64, 476,824.32 and 107,572.08
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Solution
The fourth proportional to 318,080.64, 476,824.32 and 107,572.08 is: 161,257.80
Step by Step Solution
- Step 1: Write the proportion equation
318,080.64 : 476,824.32 = 107,572.08 : x - Step 2: Convert to fraction form
318,080.64/476,824.32 = 107,572.08/x - Step 3: Cross multiply
318,080.64x = 476,824.32 × 107,572.08 - Step 4: Simplify right side
318,080.64x = 51,292,983,896.99 - Step 5: Solve for x
x = 51,292,983,896.99/318,080.64 - Step 6: Final answer
x = 161,257.80
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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.