Finding the Fourth Proportional to 387,260.09, 580,048.93 and 187,160.83
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Solution
The fourth proportional to 387,260.09, 580,048.93 and 187,160.83 is: 280,334.69
Step by Step Solution
- Step 1: Write the proportion equation
387,260.09 : 580,048.93 = 187,160.83 : x - Step 2: Convert to fraction form
387,260.09/580,048.93 = 187,160.83/x - Step 3: Cross multiply
387,260.09x = 580,048.93 × 187,160.83 - Step 4: Simplify right side
387,260.09x = 108,562,437,963.24 - Step 5: Solve for x
x = 108,562,437,963.24/387,260.09 - Step 6: Final answer
x = 280,334.69
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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.