Finding the Fourth Proportional to 611,170.24, 843,399.12 and 339,224.08
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Solution
The fourth proportional to 611,170.24, 843,399.12 and 339,224.08 is: 468,120.45
Step by Step Solution
- Step 1: Write the proportion equation
611,170.24 : 843,399.12 = 339,224.08 : x - Step 2: Convert to fraction form
611,170.24/843,399.12 = 339,224.08/x - Step 3: Cross multiply
611,170.24x = 843,399.12 × 339,224.08 - Step 4: Simplify right side
611,170.24x = 286,101,290,554.81 - Step 5: Solve for x
x = 286,101,290,554.81/611,170.24 - Step 6: Final answer
x = 468,120.45
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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.