Finding the Fourth Proportional to 405,525.44, 559,400.64 and 235,740.80
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Solution
The fourth proportional to 405,525.44, 559,400.64 and 235,740.80 is: 325,191.82
Step by Step Solution
- Step 1: Write the proportion equation
405,525.44 : 559,400.64 = 235,740.80 : x - Step 2: Convert to fraction form
405,525.44/559,400.64 = 235,740.80/x - Step 3: Cross multiply
405,525.44x = 559,400.64 × 235,740.80 - Step 4: Simplify right side
405,525.44x = 131,873,554,394.11 - Step 5: Solve for x
x = 131,873,554,394.11/405,525.44 - Step 6: Final answer
x = 325,191.82
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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.