Finding the Fourth Proportional to 407,509.92, 611,292.96 and 170,614.08
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Solution
The fourth proportional to 407,509.92, 611,292.96 and 170,614.08 is: 255,932.88
Step by Step Solution
- Step 1: Write the proportion equation
407,509.92 : 611,292.96 = 170,614.08 : x - Step 2: Convert to fraction form
407,509.92/611,292.96 = 170,614.08/x - Step 3: Cross multiply
407,509.92x = 611,292.96 × 170,614.08 - Step 4: Simplify right side
407,509.92x = 104,295,185,980.88 - Step 5: Solve for x
x = 104,295,185,980.88/407,509.92 - Step 6: Final answer
x = 255,932.88
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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.