Finding the Fourth Proportional to 242,701.44, 364,216.20 and 84,931.26
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Solution
The fourth proportional to 242,701.44, 364,216.20 and 84,931.26 is: 127,454.29
Step by Step Solution
- Step 1: Write the proportion equation
242,701.44 : 364,216.20 = 84,931.26 : x - Step 2: Convert to fraction form
242,701.44/364,216.20 = 84,931.26/x - Step 3: Cross multiply
242,701.44x = 364,216.20 × 84,931.26 - Step 4: Simplify right side
242,701.44x = 30,933,340,778.41 - Step 5: Solve for x
x = 30,933,340,778.41/242,701.44 - Step 6: Final answer
x = 127,454.29
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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.