Finding the Fourth Proportional to 185,880.93, 278,664.65 and 80,620.62
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Solution
The fourth proportional to 185,880.93, 278,664.65 and 80,620.62 is: 120,862.95
Step by Step Solution
- Step 1: Write the proportion equation
185,880.93 : 278,664.65 = 80,620.62 : x - Step 2: Convert to fraction form
185,880.93/278,664.65 = 80,620.62/x - Step 3: Cross multiply
185,880.93x = 278,664.65 × 80,620.62 - Step 4: Simplify right side
185,880.93x = 22,466,116,855.08 - Step 5: Solve for x
x = 22,466,116,855.08/185,880.93 - Step 6: Final answer
x = 120,862.95
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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.