Finding the Fourth Proportional to 476,213.07, 657,152.96 and 261,353.55
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Solution
The fourth proportional to 476,213.07, 657,152.96 and 261,353.55 is: 360,656.33
Step by Step Solution
- Step 1: Write the proportion equation
476,213.07 : 657,152.96 = 261,353.55 : x - Step 2: Convert to fraction form
476,213.07/657,152.96 = 261,353.55/x - Step 3: Cross multiply
476,213.07x = 657,152.96 × 261,353.55 - Step 4: Simplify right side
476,213.07x = 171,749,257,682.24 - Step 5: Solve for x
x = 171,749,257,682.24/476,213.07 - Step 6: Final answer
x = 360,656.33
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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.