Finding the Fourth Proportional to 181,560.20, 250,549.48 and 100,985.99
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Solution
The fourth proportional to 181,560.20, 250,549.48 and 100,985.99 is: 139,358.66
Step by Step Solution
- Step 1: Write the proportion equation
181,560.20 : 250,549.48 = 100,985.99 : x - Step 2: Convert to fraction form
181,560.20/250,549.48 = 100,985.99/x - Step 3: Cross multiply
181,560.20x = 250,549.48 × 100,985.99 - Step 4: Simplify right side
181,560.20x = 25,301,986,776.86 - Step 5: Solve for x
x = 25,301,986,776.86/181,560.20 - Step 6: Final answer
x = 139,358.66
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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.