Finding the Fourth Proportional to 163,218.24, 225,297.36 and 102,890.52
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Solution
The fourth proportional to 163,218.24, 225,297.36 and 102,890.52 is: 142,024.34
Step by Step Solution
- Step 1: Write the proportion equation
163,218.24 : 225,297.36 = 102,890.52 : x - Step 2: Convert to fraction form
163,218.24/225,297.36 = 102,890.52/x - Step 3: Cross multiply
163,218.24x = 225,297.36 × 102,890.52 - Step 4: Simplify right side
163,218.24x = 23,180,962,525.03 - Step 5: Solve for x
x = 23,180,962,525.03/163,218.24 - Step 6: Final answer
x = 142,024.34
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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.