Finding the Fourth Proportional to 405,574.00, 559,523.06 and 233,450.77
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Solution
The fourth proportional to 405,574.00, 559,523.06 and 233,450.77 is: 322,064.75
Step by Step Solution
- Step 1: Write the proportion equation
405,574.00 : 559,523.06 = 233,450.77 : x - Step 2: Convert to fraction form
405,574.00/559,523.06 = 233,450.77/x - Step 3: Cross multiply
405,574.00x = 559,523.06 × 233,450.77 - Step 4: Simplify right side
405,574.00x = 130,621,089,189.76 - Step 5: Solve for x
x = 130,621,089,189.76/405,574.00 - Step 6: Final answer
x = 322,064.75
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1.5x scale
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.