Finding the Fourth Proportional to 201,389.96, 277,920.11 and 110,746.55
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Solution
The fourth proportional to 201,389.96, 277,920.11 and 110,746.55 is: 152,831.31
Step by Step Solution
- Step 1: Write the proportion equation
201,389.96 : 277,920.11 = 110,746.55 : x - Step 2: Convert to fraction form
201,389.96/277,920.11 = 110,746.55/x - Step 3: Cross multiply
201,389.96x = 277,920.11 × 110,746.55 - Step 4: Simplify right side
201,389.96x = 30,778,691,414.79 - Step 5: Solve for x
x = 30,778,691,414.79/201,389.96 - Step 6: Final answer
x = 152,831.31
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1.5x scale
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.