Finding the Fourth Proportional to 167,088.42, 230,587.29 and 91,643.94
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Solution
The fourth proportional to 167,088.42, 230,587.29 and 91,643.94 is: 126,471.53
Step by Step Solution
- Step 1: Write the proportion equation
167,088.42 : 230,587.29 = 91,643.94 : x - Step 2: Convert to fraction form
167,088.42/230,587.29 = 91,643.94/x - Step 3: Cross multiply
167,088.42x = 230,587.29 × 91,643.94 - Step 4: Simplify right side
167,088.42x = 21,131,927,769.52 - Step 5: Solve for x
x = 21,131,927,769.52/167,088.42 - Step 6: Final answer
x = 126,471.53
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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.