Finding the Fourth Proportional to 454,621.08, 682,351.74 and 230,139.06
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Solution
The fourth proportional to 454,621.08, 682,351.74 and 230,139.06 is: 345,421.26
Step by Step Solution
- Step 1: Write the proportion equation
454,621.08 : 682,351.74 = 230,139.06 : x - Step 2: Convert to fraction form
454,621.08/682,351.74 = 230,139.06/x - Step 3: Cross multiply
454,621.08x = 682,351.74 × 230,139.06 - Step 4: Simplify right side
454,621.08x = 157,035,788,032.96 - Step 5: Solve for x
x = 157,035,788,032.96/454,621.08 - Step 6: Final answer
x = 345,421.26
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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.