Finding the Fourth Proportional to 220,130.55, 330,111.99 and 93,690.99
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Solution
The fourth proportional to 220,130.55, 330,111.99 and 93,690.99 is: 140,500.80
Step by Step Solution
- Step 1: Write the proportion equation
220,130.55 : 330,111.99 = 93,690.99 : x - Step 2: Convert to fraction form
220,130.55/330,111.99 = 93,690.99/x - Step 3: Cross multiply
220,130.55x = 330,111.99 × 93,690.99 - Step 4: Simplify right side
220,130.55x = 30,928,519,153.97 - Step 5: Solve for x
x = 30,928,519,153.97/220,130.55 - Step 6: Final answer
x = 140,500.80
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1.5x scale
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.