Finding the Fourth Proportional to 167,026.08, 230,510.40 and 91,589.12
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Solution
The fourth proportional to 167,026.08, 230,510.40 and 91,589.12 is: 126,400.89
Step by Step Solution
- Step 1: Write the proportion equation
167,026.08 : 230,510.40 = 91,589.12 : x - Step 2: Convert to fraction form
167,026.08/230,510.40 = 91,589.12/x - Step 3: Cross multiply
167,026.08x = 230,510.40 × 91,589.12 - Step 4: Simplify right side
167,026.08x = 21,112,244,686.85 - Step 5: Solve for x
x = 21,112,244,686.85/167,026.08 - Step 6: Final answer
x = 126,400.89
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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.