Finding the Fourth Proportional to 167,334.79, 230,921.53 and 100,266.79
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Solution
The fourth proportional to 167,334.79, 230,921.53 and 100,266.79 is: 138,367.88
Step by Step Solution
- Step 1: Write the proportion equation
167,334.79 : 230,921.53 = 100,266.79 : x - Step 2: Convert to fraction form
167,334.79/230,921.53 = 100,266.79/x - Step 3: Cross multiply
167,334.79x = 230,921.53 × 100,266.79 - Step 4: Simplify right side
167,334.79x = 23,153,760,554.99 - Step 5: Solve for x
x = 23,153,760,554.99/167,334.79 - Step 6: Final answer
x = 138,367.88
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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.