Finding the Fourth Proportional to 484,115.43, 668,032.54 and 280,125.75
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Solution
The fourth proportional to 484,115.43, 668,032.54 and 280,125.75 is: 386,546.48
Step by Step Solution
- Step 1: Write the proportion equation
484,115.43 : 668,032.54 = 280,125.75 : x - Step 2: Convert to fraction form
484,115.43/668,032.54 = 280,125.75/x - Step 3: Cross multiply
484,115.43x = 668,032.54 × 280,125.75 - Step 4: Simplify right side
484,115.43x = 187,133,116,291.91 - Step 5: Solve for x
x = 187,133,116,291.91/484,115.43 - Step 6: Final answer
x = 386,546.48
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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.