Finding the Fourth Proportional to 469,526.41, 647,731.24 and 278,470.09
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Solution
The fourth proportional to 469,526.41, 647,731.24 and 278,470.09 is: 384,161.09
Step by Step Solution
- Step 1: Write the proportion equation
469,526.41 : 647,731.24 = 278,470.09 : x - Step 2: Convert to fraction form
469,526.41/647,731.24 = 278,470.09/x - Step 3: Cross multiply
469,526.41x = 647,731.24 × 278,470.09 - Step 4: Simplify right side
469,526.41x = 180,373,776,698.61 - Step 5: Solve for x
x = 180,373,776,698.61/469,526.41 - Step 6: Final answer
x = 384,161.09
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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.