Finding the Fourth Proportional to 217,828.04, 326,762.24 and 84,718.31
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Solution
The fourth proportional to 217,828.04, 326,762.24 and 84,718.31 is: 127,085.31
Step by Step Solution
- Step 1: Write the proportion equation
217,828.04 : 326,762.24 = 84,718.31 : x - Step 2: Convert to fraction form
217,828.04/326,762.24 = 84,718.31/x - Step 3: Cross multiply
217,828.04x = 326,762.24 × 84,718.31 - Step 4: Simplify right side
217,828.04x = 27,682,742,687.21 - Step 5: Solve for x
x = 27,682,742,687.21/217,828.04 - Step 6: Final answer
x = 127,085.31
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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.