Finding the Fourth Proportional to 148,075.29, 204,343.97 and 83,558.18
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Solution
The fourth proportional to 148,075.29, 204,343.97 and 83,558.18 is: 115,310.33
Step by Step Solution
- Step 1: Write the proportion equation
148,075.29 : 204,343.97 = 83,558.18 : x - Step 2: Convert to fraction form
148,075.29/204,343.97 = 83,558.18/x - Step 3: Cross multiply
148,075.29x = 204,343.97 × 83,558.18 - Step 4: Simplify right side
148,075.29x = 17,074,610,320.24 - Step 5: Solve for x
x = 17,074,610,320.24/148,075.29 - Step 6: Final answer
x = 115,310.33
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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.