Finding the Fourth Proportional to 238,996.62, 358,506.84 and 68,243.66
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Solution
The fourth proportional to 238,996.62, 358,506.84 and 68,243.66 is: 102,368.89
Step by Step Solution
- Step 1: Write the proportion equation
238,996.62 : 358,506.84 = 68,243.66 : x - Step 2: Convert to fraction form
238,996.62/358,506.84 = 68,243.66/x - Step 3: Cross multiply
238,996.62x = 358,506.84 × 68,243.66 - Step 4: Simplify right side
238,996.62x = 24,465,817,829.76 - Step 5: Solve for x
x = 24,465,817,829.76/238,996.62 - Step 6: Final answer
x = 102,368.89
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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.