Finding the Fourth Proportional to 151,025.99, 208,421.87 and 83,048.54
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Solution
The fourth proportional to 151,025.99, 208,421.87 and 83,048.54 is: 114,610.28
Step by Step Solution
- Step 1: Write the proportion equation
151,025.99 : 208,421.87 = 83,048.54 : x - Step 2: Convert to fraction form
151,025.99/208,421.87 = 83,048.54/x - Step 3: Cross multiply
151,025.99x = 208,421.87 × 83,048.54 - Step 4: Simplify right side
151,025.99x = 17,309,130,550.22 - Step 5: Solve for x
x = 17,309,130,550.22/151,025.99 - Step 6: Final answer
x = 114,610.28
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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.