Finding the Fourth Proportional to 228,856.01, 315,831.24 and 126,874.98
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Solution
The fourth proportional to 228,856.01, 315,831.24 and 126,874.98 is: 175,092.99
Step by Step Solution
- Step 1: Write the proportion equation
228,856.01 : 315,831.24 = 126,874.98 : x - Step 2: Convert to fraction form
228,856.01/315,831.24 = 126,874.98/x - Step 3: Cross multiply
228,856.01x = 315,831.24 × 126,874.98 - Step 4: Simplify right side
228,856.01x = 40,071,082,258.38 - Step 5: Solve for x
x = 40,071,082,258.38/228,856.01 - Step 6: Final answer
x = 175,092.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.