Finding the Fourth Proportional to 245,643.80, 368,465.70 and 183,435.80
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Solution
The fourth proportional to 245,643.80, 368,465.70 and 183,435.80 is: 275,153.70
Step by Step Solution
- Step 1: Write the proportion equation
245,643.80 : 368,465.70 = 183,435.80 : x - Step 2: Convert to fraction form
245,643.80/368,465.70 = 183,435.80/x - Step 3: Cross multiply
245,643.80x = 368,465.70 × 183,435.80 - Step 4: Simplify right side
245,643.80x = 67,589,800,452.06 - Step 5: Solve for x
x = 67,589,800,452.06/245,643.80 - Step 6: Final answer
x = 275,153.70
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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.