Finding the Fourth Proportional to 296,170.08, 408,289.58 and 211,139.52
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Solution
The fourth proportional to 296,170.08, 408,289.58 and 211,139.52 is: 291,069.46
Step by Step Solution
- Step 1: Write the proportion equation
296,170.08 : 408,289.58 = 211,139.52 : x - Step 2: Convert to fraction form
296,170.08/408,289.58 = 211,139.52/x - Step 3: Cross multiply
296,170.08x = 408,289.58 × 211,139.52 - Step 4: Simplify right side
296,170.08x = 86,206,065,942.20 - Step 5: Solve for x
x = 86,206,065,942.20/296,170.08 - Step 6: Final answer
x = 291,069.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.