Finding the Fourth Proportional to 380,207.58, 524,680.11 and 210,438.06
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Solution
The fourth proportional to 380,207.58, 524,680.11 and 210,438.06 is: 290,401.01
Step by Step Solution
- Step 1: Write the proportion equation
380,207.58 : 524,680.11 = 210,438.06 : x - Step 2: Convert to fraction form
380,207.58/524,680.11 = 210,438.06/x - Step 3: Cross multiply
380,207.58x = 524,680.11 × 210,438.06 - Step 4: Simplify right side
380,207.58x = 110,412,664,468.99 - Step 5: Solve for x
x = 110,412,664,468.99/380,207.58 - Step 6: Final answer
x = 290,401.01
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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.