Finding the Fourth Proportional to 201,508.66, 278,081.94 and 110,862.68
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Solution
The fourth proportional to 201,508.66, 278,081.94 and 110,862.68 is: 152,990.49
Step by Step Solution
- Step 1: Write the proportion equation
201,508.66 : 278,081.94 = 110,862.68 : x - Step 2: Convert to fraction form
201,508.66/278,081.94 = 110,862.68/x - Step 3: Cross multiply
201,508.66x = 278,081.94 × 110,862.68 - Step 4: Simplify right side
201,508.66x = 30,828,909,128.00 - Step 5: Solve for x
x = 30,828,909,128.00/201,508.66 - Step 6: Final answer
x = 152,990.49
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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.