Finding the Fourth Proportional to 458,432.26, 687,557.41 and 230,667.14
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Solution
The fourth proportional to 458,432.26, 687,557.41 and 230,667.14 is: 345,954.94
Step by Step Solution
- Step 1: Write the proportion equation
458,432.26 : 687,557.41 = 230,667.14 : x - Step 2: Convert to fraction form
458,432.26/687,557.41 = 230,667.14/x - Step 3: Cross multiply
458,432.26x = 687,557.41 × 230,667.14 - Step 4: Simplify right side
458,432.26x = 158,596,903,790.24 - Step 5: Solve for x
x = 158,596,903,790.24/458,432.26 - Step 6: Final answer
x = 345,954.94
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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.