Finding the Fourth Proportional to 226,291.71, 312,247.87 and 130,779.97
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Solution
The fourth proportional to 226,291.71, 312,247.87 and 130,779.97 is: 180,456.31
Step by Step Solution
- Step 1: Write the proportion equation
226,291.71 : 312,247.87 = 130,779.97 : x - Step 2: Convert to fraction form
226,291.71/312,247.87 = 130,779.97/x - Step 3: Cross multiply
226,291.71x = 312,247.87 × 130,779.97 - Step 4: Simplify right side
226,291.71x = 40,835,767,071.16 - Step 5: Solve for x
x = 40,835,767,071.16/226,291.71 - Step 6: Final answer
x = 180,456.31
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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.