Finding the Fourth Proportional to 394,881.24, 544,948.62 and 216,033.24
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Solution
The fourth proportional to 394,881.24, 544,948.62 and 216,033.24 is: 298,132.71
Step by Step Solution
- Step 1: Write the proportion equation
394,881.24 : 544,948.62 = 216,033.24 : x - Step 2: Convert to fraction form
394,881.24/544,948.62 = 216,033.24/x - Step 3: Cross multiply
394,881.24x = 544,948.62 × 216,033.24 - Step 4: Simplify right side
394,881.24x = 117,727,016,012.13 - Step 5: Solve for x
x = 117,727,016,012.13/394,881.24 - Step 6: Final answer
x = 298,132.71
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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.