Finding the Fourth Proportional to 183,549.84, 253,301.24 and 102,972.55
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Solution
The fourth proportional to 183,549.84, 253,301.24 and 102,972.55 is: 142,103.50
Step by Step Solution
- Step 1: Write the proportion equation
183,549.84 : 253,301.24 = 102,972.55 : x - Step 2: Convert to fraction form
183,549.84/253,301.24 = 102,972.55/x - Step 3: Cross multiply
183,549.84x = 253,301.24 × 102,972.55 - Step 4: Simplify right side
183,549.84x = 26,083,074,086.10 - Step 5: Solve for x
x = 26,083,074,086.10/183,549.84 - Step 6: Final answer
x = 142,103.50
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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.