Finding the Fourth Proportional to 238,293.44, 357,423.12 and 138,391.28
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Solution
The fourth proportional to 238,293.44, 357,423.12 and 138,391.28 is: 207,577.02
Step by Step Solution
- Step 1: Write the proportion equation
238,293.44 : 357,423.12 = 138,391.28 : x - Step 2: Convert to fraction form
238,293.44/357,423.12 = 138,391.28/x - Step 3: Cross multiply
238,293.44x = 357,423.12 × 138,391.28 - Step 4: Simplify right side
238,293.44x = 49,464,243,078.39 - Step 5: Solve for x
x = 49,464,243,078.39/238,293.44 - Step 6: Final answer
x = 207,577.02
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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.