Finding the Fourth Proportional to 147,271.24, 221,239.40 and 87,339.03
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Solution
The fourth proportional to 147,271.24, 221,239.40 and 87,339.03 is: 131,205.75
Step by Step Solution
- Step 1: Write the proportion equation
147,271.24 : 221,239.40 = 87,339.03 : x - Step 2: Convert to fraction form
147,271.24/221,239.40 = 87,339.03/x - Step 3: Cross multiply
147,271.24x = 221,239.40 × 87,339.03 - Step 4: Simplify right side
147,271.24x = 19,322,833,942.31 - Step 5: Solve for x
x = 19,322,833,942.31/147,271.24 - Step 6: Final answer
x = 131,205.75
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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.