Finding the Fourth Proportional to 147,775.70, 221,351.55 and 97,879.70
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Solution
The fourth proportional to 147,775.70, 221,351.55 and 97,879.70 is: 146,612.90
Step by Step Solution
- Step 1: Write the proportion equation
147,775.70 : 221,351.55 = 97,879.70 : x - Step 2: Convert to fraction form
147,775.70/221,351.55 = 97,879.70/x - Step 3: Cross multiply
147,775.70x = 221,351.55 × 97,879.70 - Step 4: Simplify right side
147,775.70x = 21,665,823,308.54 - Step 5: Solve for x
x = 21,665,823,308.54/147,775.70 - Step 6: Final answer
x = 146,612.90
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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.