Finding the Fourth Proportional to 489,516.21, 734,484.81 and 265,037.06
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Solution
The fourth proportional to 489,516.21, 734,484.81 and 265,037.06 is: 397,669.56
Step by Step Solution
- Step 1: Write the proportion equation
489,516.21 : 734,484.81 = 265,037.06 : x - Step 2: Convert to fraction form
489,516.21/734,484.81 = 265,037.06/x - Step 3: Cross multiply
489,516.21x = 734,484.81 × 265,037.06 - Step 4: Simplify right side
489,516.21x = 194,665,697,487.16 - Step 5: Solve for x
x = 194,665,697,487.16/489,516.21 - Step 6: Final answer
x = 397,669.56
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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.