Finding the Fourth Proportional to 216,339.21, 324,509.04 and 56,415.02
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Solution
The fourth proportional to 216,339.21, 324,509.04 and 56,415.02 is: 84,622.58
Step by Step Solution
- Step 1: Write the proportion equation
216,339.21 : 324,509.04 = 56,415.02 : x - Step 2: Convert to fraction form
216,339.21/324,509.04 = 56,415.02/x - Step 3: Cross multiply
216,339.21x = 324,509.04 × 56,415.02 - Step 4: Simplify right side
216,339.21x = 18,307,182,359.24 - Step 5: Solve for x
x = 18,307,182,359.24/216,339.21 - Step 6: Final answer
x = 84,622.58
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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.