Finding the Fourth Proportional to 318,124.64, 477,250.14 and 118,446.68
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Solution
The fourth proportional to 318,124.64, 477,250.14 and 118,446.68 is: 177,693.54
Step by Step Solution
- Step 1: Write the proportion equation
318,124.64 : 477,250.14 = 118,446.68 : x - Step 2: Convert to fraction form
318,124.64/477,250.14 = 118,446.68/x - Step 3: Cross multiply
318,124.64x = 477,250.14 × 118,446.68 - Step 4: Simplify right side
318,124.64x = 56,528,694,612.54 - Step 5: Solve for x
x = 56,528,694,612.54/318,124.64 - Step 6: Final answer
x = 177,693.54
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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.