Finding the Fourth Proportional to 238,961.10, 358,503.17 and 70,474.62
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Solution
The fourth proportional to 238,961.10, 358,503.17 and 70,474.62 is: 105,730.08
Step by Step Solution
- Step 1: Write the proportion equation
238,961.10 : 358,503.17 = 70,474.62 : x - Step 2: Convert to fraction form
238,961.10/358,503.17 = 70,474.62/x - Step 3: Cross multiply
238,961.10x = 358,503.17 × 70,474.62 - Step 4: Simplify right side
238,961.10x = 25,265,375,666.56 - Step 5: Solve for x
x = 25,265,375,666.56/238,961.10 - Step 6: Final answer
x = 105,730.08
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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.