Finding the Fourth Proportional to 349,372.13, 482,107.02 and 196,385.99
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Solution
The fourth proportional to 349,372.13, 482,107.02 and 196,385.99 is: 270,997.76
Step by Step Solution
- Step 1: Write the proportion equation
349,372.13 : 482,107.02 = 196,385.99 : x - Step 2: Convert to fraction form
349,372.13/482,107.02 = 196,385.99/x - Step 3: Cross multiply
349,372.13x = 482,107.02 × 196,385.99 - Step 4: Simplify right side
349,372.13x = 94,679,064,408.65 - Step 5: Solve for x
x = 94,679,064,408.65/349,372.13 - Step 6: Final answer
x = 270,997.76
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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.