Finding the Fourth Proportional to 201,570.24, 278,173.12 and 110,929.28
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Solution
The fourth proportional to 201,570.24, 278,173.12 and 110,929.28 is: 153,085.81
Step by Step Solution
- Step 1: Write the proportion equation
201,570.24 : 278,173.12 = 110,929.28 : x - Step 2: Convert to fraction form
201,570.24/278,173.12 = 110,929.28/x - Step 3: Cross multiply
201,570.24x = 278,173.12 × 110,929.28 - Step 4: Simplify right side
201,570.24x = 30,857,543,916.95 - Step 5: Solve for x
x = 30,857,543,916.95/201,570.24 - Step 6: Final answer
x = 153,085.81
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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.