Finding the Fourth Proportional to 130,040.44, 179,455.91 and 73,451.81
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Solution
The fourth proportional to 130,040.44, 179,455.91 and 73,451.81 is: 101,363.56
Step by Step Solution
- Step 1: Write the proportion equation
130,040.44 : 179,455.91 = 73,451.81 : x - Step 2: Convert to fraction form
130,040.44/179,455.91 = 73,451.81/x - Step 3: Cross multiply
130,040.44x = 179,455.91 × 73,451.81 - Step 4: Simplify right side
130,040.44x = 13,181,361,486.08 - Step 5: Solve for x
x = 13,181,361,486.08/130,040.44 - Step 6: Final answer
x = 101,363.56
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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.