Finding the Fourth Proportional to 607,202.70, 910,913.40 and 252,252.60
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Solution
The fourth proportional to 607,202.70, 910,913.40 and 252,252.60 is: 378,424.33
Step by Step Solution
- Step 1: Write the proportion equation
607,202.70 : 910,913.40 = 252,252.60 : x - Step 2: Convert to fraction form
607,202.70/910,913.40 = 252,252.60/x - Step 3: Cross multiply
607,202.70x = 910,913.40 × 252,252.60 - Step 4: Simplify right side
607,202.70x = 229,780,273,524.84 - Step 5: Solve for x
x = 229,780,273,524.84/607,202.70 - Step 6: Final answer
x = 378,424.33
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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.