Finding the Fourth Proportional to 242,139.21, 334,156.58 and 134,719.26
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Solution
The fourth proportional to 242,139.21, 334,156.58 and 134,719.26 is: 185,915.07
Step by Step Solution
- Step 1: Write the proportion equation
242,139.21 : 334,156.58 = 134,719.26 : x - Step 2: Convert to fraction form
242,139.21/334,156.58 = 134,719.26/x - Step 3: Cross multiply
242,139.21x = 334,156.58 × 134,719.26 - Step 4: Simplify right side
242,139.21x = 45,017,327,181.73 - Step 5: Solve for x
x = 45,017,327,181.73/242,139.21 - Step 6: Final answer
x = 185,915.07
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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.