Finding the Fourth Proportional to 148,657.23, 205,096.73 and 84,949.65
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Solution
The fourth proportional to 148,657.23, 205,096.73 and 84,949.65 is: 117,201.80
Step by Step Solution
- Step 1: Write the proportion equation
148,657.23 : 205,096.73 = 84,949.65 : x - Step 2: Convert to fraction form
148,657.23/205,096.73 = 84,949.65/x - Step 3: Cross multiply
148,657.23x = 205,096.73 × 84,949.65 - Step 4: Simplify right side
148,657.23x = 17,422,895,004.90 - Step 5: Solve for x
x = 17,422,895,004.90/148,657.23 - Step 6: Final answer
x = 117,201.80
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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.