Finding the Fourth Proportional to 216,090.41, 298,225.46 and 120,605.99
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Solution
The fourth proportional to 216,090.41, 298,225.46 and 120,605.99 is: 166,447.81
Step by Step Solution
- Step 1: Write the proportion equation
216,090.41 : 298,225.46 = 120,605.99 : x - Step 2: Convert to fraction form
216,090.41/298,225.46 = 120,605.99/x - Step 3: Cross multiply
216,090.41x = 298,225.46 × 120,605.99 - Step 4: Simplify right side
216,090.41x = 35,967,775,656.89 - Step 5: Solve for x
x = 35,967,775,656.89/216,090.41 - Step 6: Final answer
x = 166,447.81
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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.