Finding the Fourth Proportional to 394,873.57, 544,923.48 and 213,585.31
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Solution
The fourth proportional to 394,873.57, 544,923.48 and 213,585.31 is: 294,746.62
Step by Step Solution
- Step 1: Write the proportion equation
394,873.57 : 544,923.48 = 213,585.31 : x - Step 2: Convert to fraction form
394,873.57/544,923.48 = 213,585.31/x - Step 3: Cross multiply
394,873.57x = 544,923.48 × 213,585.31 - Step 4: Simplify right side
394,873.57x = 116,387,650,402.08 - Step 5: Solve for x
x = 116,387,650,402.08/394,873.57 - Step 6: Final answer
x = 294,746.62
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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.