Finding the Fourth Proportional to 163,784.14, 245,319.63 and 100,412.62
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Solution
The fourth proportional to 163,784.14, 245,319.63 and 100,412.62 is: 150,400.32
Step by Step Solution
- Step 1: Write the proportion equation
163,784.14 : 245,319.63 = 100,412.62 : x - Step 2: Convert to fraction form
163,784.14/245,319.63 = 100,412.62/x - Step 3: Cross multiply
163,784.14x = 245,319.63 × 100,412.62 - Step 4: Simplify right side
163,784.14x = 24,633,186,785.73 - Step 5: Solve for x
x = 24,633,186,785.73/163,784.14 - Step 6: Final answer
x = 150,400.32
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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.