Finding the Fourth Proportional to 318,138.21, 477,283.32 and 93,493.71
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Solution
The fourth proportional to 318,138.21, 477,283.32 and 93,493.71 is: 140,262.90
Step by Step Solution
- Step 1: Write the proportion equation
318,138.21 : 477,283.32 = 93,493.71 : x - Step 2: Convert to fraction form
318,138.21/477,283.32 = 93,493.71/x - Step 3: Cross multiply
318,138.21x = 477,283.32 × 93,493.71 - Step 4: Simplify right side
318,138.21x = 44,622,988,307.92 - Step 5: Solve for x
x = 44,622,988,307.92/318,138.21 - Step 6: Final answer
x = 140,262.90
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1.5x scale
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.