Finding the Fourth Proportional to 242,820.18, 364,142.79 and 102,589.74
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Solution
The fourth proportional to 242,820.18, 364,142.79 and 102,589.74 is: 153,847.65
Step by Step Solution
- Step 1: Write the proportion equation
242,820.18 : 364,142.79 = 102,589.74 : x - Step 2: Convert to fraction form
242,820.18/364,142.79 = 102,589.74/x - Step 3: Cross multiply
242,820.18x = 364,142.79 × 102,589.74 - Step 4: Simplify right side
242,820.18x = 37,357,314,148.97 - Step 5: Solve for x
x = 37,357,314,148.97/242,820.18 - Step 6: Final answer
x = 153,847.65
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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.