Finding the Fourth Proportional to 370,137.06, 555,205.51 and 201,798.96
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Solution
The fourth proportional to 370,137.06, 555,205.51 and 201,798.96 is: 302,698.40
Step by Step Solution
- Step 1: Write the proportion equation
370,137.06 : 555,205.51 = 201,798.96 : x - Step 2: Convert to fraction form
370,137.06/555,205.51 = 201,798.96/x - Step 3: Cross multiply
370,137.06x = 555,205.51 × 201,798.96 - Step 4: Simplify right side
370,137.06x = 112,039,895,797.53 - Step 5: Solve for x
x = 112,039,895,797.53/370,137.06 - Step 6: Final answer
x = 302,698.40
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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.