Finding the Fourth Proportional to 607,467.70, 911,201.55 and 252,363.70
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Solution
The fourth proportional to 607,467.70, 911,201.55 and 252,363.70 is: 378,545.55
Step by Step Solution
- Step 1: Write the proportion equation
607,467.70 : 911,201.55 = 252,363.70 : x - Step 2: Convert to fraction form
607,467.70/911,201.55 = 252,363.70/x - Step 3: Cross multiply
607,467.70x = 911,201.55 × 252,363.70 - Step 4: Simplify right side
607,467.70x = 229,954,194,603.74 - Step 5: Solve for x
x = 229,954,194,603.74/607,467.70 - Step 6: Final answer
x = 378,545.55
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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.