Finding the Fourth Proportional to 452,075.36, 623,868.68 and 248,139.80
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Solution
The fourth proportional to 452,075.36, 623,868.68 and 248,139.80 is: 342,435.49
Step by Step Solution
- Step 1: Write the proportion equation
452,075.36 : 623,868.68 = 248,139.80 : x - Step 2: Convert to fraction form
452,075.36/623,868.68 = 248,139.80/x - Step 3: Cross multiply
452,075.36x = 623,868.68 × 248,139.80 - Step 4: Simplify right side
452,075.36x = 154,806,649,481.46 - Step 5: Solve for x
x = 154,806,649,481.46/452,075.36 - Step 6: Final answer
x = 342,435.49
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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.