Finding the Fourth Proportional to 409,325.56, 614,053.94 and 172,703.09
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Solution
The fourth proportional to 409,325.56, 614,053.94 and 172,703.09 is: 259,082.32
Step by Step Solution
- Step 1: Write the proportion equation
409,325.56 : 614,053.94 = 172,703.09 : x - Step 2: Convert to fraction form
409,325.56/614,053.94 = 172,703.09/x - Step 3: Cross multiply
409,325.56x = 614,053.94 × 172,703.09 - Step 4: Simplify right side
409,325.56x = 106,049,013,536.29 - Step 5: Solve for x
x = 106,049,013,536.29/409,325.56 - Step 6: Final answer
x = 259,082.32
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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.