Finding the Fourth Proportional to 484,176.44, 668,116.58 and 280,186.84
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Solution
The fourth proportional to 484,176.44, 668,116.58 and 280,186.84 is: 386,630.69
Step by Step Solution
- Step 1: Write the proportion equation
484,176.44 : 668,116.58 = 280,186.84 : x - Step 2: Convert to fraction form
484,176.44/668,116.58 = 280,186.84/x - Step 3: Cross multiply
484,176.44x = 668,116.58 × 280,186.84 - Step 4: Simplify right side
484,176.44x = 187,197,473,301.81 - Step 5: Solve for x
x = 187,197,473,301.81/484,176.44 - Step 6: Final answer
x = 386,630.69
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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.