Finding the Fourth Proportional to 158,345.76, 237,530.16 and 53,163.84
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Solution
The fourth proportional to 158,345.76, 237,530.16 and 53,163.84 is: 79,749.63
Step by Step Solution
- Step 1: Write the proportion equation
158,345.76 : 237,530.16 = 53,163.84 : x - Step 2: Convert to fraction form
158,345.76/237,530.16 = 53,163.84/x - Step 3: Cross multiply
158,345.76x = 237,530.16 × 53,163.84 - Step 4: Simplify right side
158,345.76x = 12,628,015,421.41 - Step 5: Solve for x
x = 12,628,015,421.41/158,345.76 - Step 6: Final answer
x = 79,749.63
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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.