Finding the Fourth Proportional to 153,749.81, 230,712.20 and 101,184.05
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Solution
The fourth proportional to 153,749.81, 230,712.20 and 101,184.05 is: 151,833.65
Step by Step Solution
- Step 1: Write the proportion equation
153,749.81 : 230,712.20 = 101,184.05 : x - Step 2: Convert to fraction form
153,749.81/230,712.20 = 101,184.05/x - Step 3: Cross multiply
153,749.81x = 230,712.20 × 101,184.05 - Step 4: Simplify right side
153,749.81x = 23,344,394,780.41 - Step 5: Solve for x
x = 23,344,394,780.41/153,749.81 - Step 6: Final answer
x = 151,833.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.