Finding the Fourth Proportional to 350,317.10, 483,439.08 and 197,357.12
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Solution
The fourth proportional to 350,317.10, 483,439.08 and 197,357.12 is: 272,353.66
Step by Step Solution
- Step 1: Write the proportion equation
350,317.10 : 483,439.08 = 197,357.12 : x - Step 2: Convert to fraction form
350,317.10/483,439.08 = 197,357.12/x - Step 3: Cross multiply
350,317.10x = 483,439.08 × 197,357.12 - Step 4: Simplify right side
350,317.10x = 95,410,144,524.25 - Step 5: Solve for x
x = 95,410,144,524.25/350,317.10 - Step 6: Final answer
x = 272,353.66
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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.