Finding the Fourth Proportional to 149,567.07, 206,478.72 and 115,499.07
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Solution
The fourth proportional to 149,567.07, 206,478.72 and 115,499.07 is: 159,447.53
Step by Step Solution
- Step 1: Write the proportion equation
149,567.07 : 206,478.72 = 115,499.07 : x - Step 2: Convert to fraction form
149,567.07/206,478.72 = 115,499.07/x - Step 3: Cross multiply
149,567.07x = 206,478.72 × 115,499.07 - Step 4: Simplify right side
149,567.07x = 23,848,100,134.79 - Step 5: Solve for x
x = 23,848,100,134.79/149,567.07 - Step 6: Final answer
x = 159,447.53
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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.