Finding the Fourth Proportional to 280,643.68, 387,295.88 and 167,532.08
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Solution
The fourth proportional to 280,643.68, 387,295.88 and 167,532.08 is: 231,198.81
Step by Step Solution
- Step 1: Write the proportion equation
280,643.68 : 387,295.88 = 167,532.08 : x - Step 2: Convert to fraction form
280,643.68/387,295.88 = 167,532.08/x - Step 3: Cross multiply
280,643.68x = 387,295.88 × 167,532.08 - Step 4: Simplify right side
280,643.68x = 64,884,484,351.83 - Step 5: Solve for x
x = 64,884,484,351.83/280,643.68 - Step 6: Final answer
x = 231,198.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.