Finding the Fourth Proportional to 238,492.84, 357,629.98 and 142,474.12
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Solution
The fourth proportional to 238,492.84, 357,629.98 and 142,474.12 is: 213,645.90
Step by Step Solution
- Step 1: Write the proportion equation
238,492.84 : 357,629.98 = 142,474.12 : x - Step 2: Convert to fraction form
238,492.84/357,629.98 = 142,474.12/x - Step 3: Cross multiply
238,492.84x = 357,629.98 × 142,474.12 - Step 4: Simplify right side
238,492.84x = 50,953,016,686.12 - Step 5: Solve for x
x = 50,953,016,686.12/238,492.84 - Step 6: Final answer
x = 213,645.90
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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.