Finding the Fourth Proportional to 299,917.53, 413,888.95 and 170,854.09
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Solution
The fourth proportional to 299,917.53, 413,888.95 and 170,854.09 is: 235,780.22
Step by Step Solution
- Step 1: Write the proportion equation
299,917.53 : 413,888.95 = 170,854.09 : x - Step 2: Convert to fraction form
299,917.53/413,888.95 = 170,854.09/x - Step 3: Cross multiply
299,917.53x = 413,888.95 × 170,854.09 - Step 4: Simplify right side
299,917.53x = 70,714,620,644.23 - Step 5: Solve for x
x = 70,714,620,644.23/299,917.53 - Step 6: Final answer
x = 235,780.22
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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.