Finding the Fourth Proportional to 242,619.21, 364,133.30 and 102,478.41
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Solution
The fourth proportional to 242,619.21, 364,133.30 and 102,478.41 is: 153,803.98
Step by Step Solution
- Step 1: Write the proportion equation
242,619.21 : 364,133.30 = 102,478.41 : x - Step 2: Convert to fraction form
242,619.21/364,133.30 = 102,478.41/x - Step 3: Cross multiply
242,619.21x = 364,133.30 × 102,478.41 - Step 4: Simplify right side
242,619.21x = 37,315,801,099.66 - Step 5: Solve for x
x = 37,315,801,099.66/242,619.21 - Step 6: Final answer
x = 153,803.98
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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.