Finding the Fourth Proportional to 432,559.80, 648,645.30 and 166,231.80
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Solution
The fourth proportional to 432,559.80, 648,645.30 and 166,231.80 is: 249,272.99
Step by Step Solution
- Step 1: Write the proportion equation
432,559.80 : 648,645.30 = 166,231.80 : x - Step 2: Convert to fraction form
432,559.80/648,645.30 = 166,231.80/x - Step 3: Cross multiply
432,559.80x = 648,645.30 × 166,231.80 - Step 4: Simplify right side
432,559.80x = 107,825,475,780.54 - Step 5: Solve for x
x = 107,825,475,780.54/432,559.80 - Step 6: Final answer
x = 249,272.99
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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.