Finding the Fourth Proportional to 628,471.42, 942,794.58 and 202,020.36
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Solution
The fourth proportional to 628,471.42, 942,794.58 and 202,020.36 is: 303,058.65
Step by Step Solution
- Step 1: Write the proportion equation
628,471.42 : 942,794.58 = 202,020.36 : x - Step 2: Convert to fraction form
628,471.42/942,794.58 = 202,020.36/x - Step 3: Cross multiply
628,471.42x = 942,794.58 × 202,020.36 - Step 4: Simplify right side
628,471.42x = 190,463,700,457.65 - Step 5: Solve for x
x = 190,463,700,457.65/628,471.42 - Step 6: Final answer
x = 303,058.65
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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.