Finding the Fourth Proportional to 297,720.20, 446,450.70 and 97,963.40
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Solution
The fourth proportional to 297,720.20, 446,450.70 and 97,963.40 is: 146,902.46
Step by Step Solution
- Step 1: Write the proportion equation
297,720.20 : 446,450.70 = 97,963.40 : x - Step 2: Convert to fraction form
297,720.20/446,450.70 = 97,963.40/x - Step 3: Cross multiply
297,720.20x = 446,450.70 × 97,963.40 - Step 4: Simplify right side
297,720.20x = 43,735,828,504.38 - Step 5: Solve for x
x = 43,735,828,504.38/297,720.20 - Step 6: Final answer
x = 146,902.46
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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.