Finding the Fourth Proportional to 394,854.08, 544,911.52 and 216,006.08
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Solution
The fourth proportional to 394,854.08, 544,911.52 and 216,006.08 is: 298,095.44
Step by Step Solution
- Step 1: Write the proportion equation
394,854.08 : 544,911.52 = 216,006.08 : x - Step 2: Convert to fraction form
394,854.08/544,911.52 = 216,006.08/x - Step 3: Cross multiply
394,854.08x = 544,911.52 × 216,006.08 - Step 4: Simplify right side
394,854.08x = 117,704,201,382.04 - Step 5: Solve for x
x = 117,704,201,382.04/394,854.08 - Step 6: Final answer
x = 298,095.44
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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.