Finding the Fourth Proportional to 376,002.76, 518,880.99 and 206,235.67
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Solution
The fourth proportional to 376,002.76, 518,880.99 and 206,235.67 is: 284,603.68
Step by Step Solution
- Step 1: Write the proportion equation
376,002.76 : 518,880.99 = 206,235.67 : x - Step 2: Convert to fraction form
376,002.76/518,880.99 = 206,235.67/x - Step 3: Cross multiply
376,002.76x = 518,880.99 × 206,235.67 - Step 4: Simplify right side
376,002.76x = 107,011,768,622.91 - Step 5: Solve for x
x = 107,011,768,622.91/376,002.76 - Step 6: Final answer
x = 284,603.68
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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.