Finding the Fourth Proportional to 277,911.81, 383,376.85 and 175,765.55
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Solution
The fourth proportional to 277,911.81, 383,376.85 and 175,765.55 is: 242,466.99
Step by Step Solution
- Step 1: Write the proportion equation
277,911.81 : 383,376.85 = 175,765.55 : x - Step 2: Convert to fraction form
277,911.81/383,376.85 = 175,765.55/x - Step 3: Cross multiply
277,911.81x = 383,376.85 × 175,765.55 - Step 4: Simplify right side
277,911.81x = 67,384,440,541.22 - Step 5: Solve for x
x = 67,384,440,541.22/277,911.81 - Step 6: Final answer
x = 242,466.99
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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.