Finding the Fourth Proportional to 296,190.21, 408,317.36 and 211,159.65
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Solution
The fourth proportional to 296,190.21, 408,317.36 and 211,159.65 is: 291,097.23
Step by Step Solution
- Step 1: Write the proportion equation
296,190.21 : 408,317.36 = 211,159.65 : x - Step 2: Convert to fraction form
296,190.21/408,317.36 = 211,159.65/x - Step 3: Cross multiply
296,190.21x = 408,317.36 × 211,159.65 - Step 4: Simplify right side
296,190.21x = 86,220,148,784.94 - Step 5: Solve for x
x = 86,220,148,784.94/296,190.21 - Step 6: Final answer
x = 291,097.23
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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.