Finding the Fourth Proportional to 1,368,175.80, 2,052,263.70 and 370,903.80
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Solution
The fourth proportional to 1,368,175.80, 2,052,263.70 and 370,903.80 is: 556,355.70
Step by Step Solution
- Step 1: Write the proportion equation
1,368,175.80 : 2,052,263.70 = 370,903.80 : x - Step 2: Convert to fraction form
1,368,175.80/2,052,263.70 = 370,903.80/x - Step 3: Cross multiply
1,368,175.80x = 2,052,263.70 × 370,903.80 - Step 4: Simplify right side
1,368,175.80x = 761,192,404,932.06 - Step 5: Solve for x
x = 761,192,404,932.06/1,368,175.80 - Step 6: Final answer
x = 556,355.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.