Finding the Fourth Proportional to 235,740.12, 353,665.09 and 67,262.75
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Solution
The fourth proportional to 235,740.12, 353,665.09 and 67,262.75 is: 100,909.80
Step by Step Solution
- Step 1: Write the proportion equation
235,740.12 : 353,665.09 = 67,262.75 : x - Step 2: Convert to fraction form
235,740.12/353,665.09 = 67,262.75/x - Step 3: Cross multiply
235,740.12x = 353,665.09 × 67,262.75 - Step 4: Simplify right side
235,740.12x = 23,788,487,785.41 - Step 5: Solve for x
x = 23,788,487,785.41/235,740.12 - Step 6: Final answer
x = 100,909.80
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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.