Finding the Fourth Proportional to 451,707.21, 677,823.21 and 202,389.21
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Solution
The fourth proportional to 451,707.21, 677,823.21 and 202,389.21 is: 303,701.38
Step by Step Solution
- Step 1: Write the proportion equation
451,707.21 : 677,823.21 = 202,389.21 : x - Step 2: Convert to fraction form
451,707.21/677,823.21 = 202,389.21/x - Step 3: Cross multiply
451,707.21x = 677,823.21 × 202,389.21 - Step 4: Simplify right side
451,707.21x = 137,184,103,991.56 - Step 5: Solve for x
x = 137,184,103,991.56/451,707.21 - Step 6: Final answer
x = 303,701.38
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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.