Finding the Fourth Proportional to 201,420.50, 277,964.73 and 110,781.05
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Solution
The fourth proportional to 201,420.50, 277,964.73 and 110,781.05 is: 152,880.29
Step by Step Solution
- Step 1: Write the proportion equation
201,420.50 : 277,964.73 = 110,781.05 : x - Step 2: Convert to fraction form
201,420.50/277,964.73 = 110,781.05/x - Step 3: Cross multiply
201,420.50x = 277,964.73 × 110,781.05 - Step 4: Simplify right side
201,420.50x = 30,793,223,262.54 - Step 5: Solve for x
x = 30,793,223,262.54/201,420.50 - Step 6: Final answer
x = 152,880.29
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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.