Finding the Fourth Proportional to 150,556.95, 207,246.99 and 130,129.65
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Solution
The fourth proportional to 150,556.95, 207,246.99 and 130,129.65 is: 179,128.09
Step by Step Solution
- Step 1: Write the proportion equation
150,556.95 : 207,246.99 = 130,129.65 : x - Step 2: Convert to fraction form
150,556.95/207,246.99 = 130,129.65/x - Step 3: Cross multiply
150,556.95x = 207,246.99 × 130,129.65 - Step 4: Simplify right side
150,556.95x = 26,968,978,272.25 - Step 5: Solve for x
x = 26,968,978,272.25/150,556.95 - Step 6: Final answer
x = 179,128.09
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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.