Finding the Fourth Proportional to 464,905.10, 697,029.60 and 212,306.60
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Solution
The fourth proportional to 464,905.10, 697,029.60 and 212,306.60 is: 318,310.09
Step by Step Solution
- Step 1: Write the proportion equation
464,905.10 : 697,029.60 = 212,306.60 : x - Step 2: Convert to fraction form
464,905.10/697,029.60 = 212,306.60/x - Step 3: Cross multiply
464,905.10x = 697,029.60 × 212,306.60 - Step 4: Simplify right side
464,905.10x = 147,983,984,475.36 - Step 5: Solve for x
x = 147,983,984,475.36/464,905.10 - Step 6: Final answer
x = 318,310.09
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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.