Finding the Fourth Proportional to 201,469.06, 278,031.99 and 110,830.06
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Solution
The fourth proportional to 201,469.06, 278,031.99 and 110,830.06 is: 152,948.06
Step by Step Solution
- Step 1: Write the proportion equation
201,469.06 : 278,031.99 = 110,830.06 : x - Step 2: Convert to fraction form
201,469.06/278,031.99 = 110,830.06/x - Step 3: Cross multiply
201,469.06x = 278,031.99 × 110,830.06 - Step 4: Simplify right side
201,469.06x = 30,814,302,133.62 - Step 5: Solve for x
x = 30,814,302,133.62/201,469.06 - Step 6: Final answer
x = 152,948.06
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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.