Finding the Fourth Proportional to 339,164.15, 468,129.08 and 203,278.55
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Solution
The fourth proportional to 339,164.15, 468,129.08 and 203,278.55 is: 280,573.88
Step by Step Solution
- Step 1: Write the proportion equation
339,164.15 : 468,129.08 = 203,278.55 : x - Step 2: Convert to fraction form
339,164.15/468,129.08 = 203,278.55/x - Step 3: Cross multiply
339,164.15x = 468,129.08 × 203,278.55 - Step 4: Simplify right side
339,164.15x = 95,160,600,595.23 - Step 5: Solve for x
x = 95,160,600,595.23/339,164.15 - Step 6: Final answer
x = 280,573.88
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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.