Finding the Fourth Proportional to 150,918.03, 208,180.15 and 94,230.99
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Solution
The fourth proportional to 150,918.03, 208,180.15 and 94,230.99 is: 129,984.61
Step by Step Solution
- Step 1: Write the proportion equation
150,918.03 : 208,180.15 = 94,230.99 : x - Step 2: Convert to fraction form
150,918.03/208,180.15 = 94,230.99/x - Step 3: Cross multiply
150,918.03x = 208,180.15 × 94,230.99 - Step 4: Simplify right side
150,918.03x = 19,617,021,632.85 - Step 5: Solve for x
x = 19,617,021,632.85/150,918.03 - Step 6: Final answer
x = 129,984.61
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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.