Finding the Fourth Proportional to 489,534.08, 734,336.69 and 204,938.40
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Solution
The fourth proportional to 489,534.08, 734,336.69 and 204,938.40 is: 307,422.49
Step by Step Solution
- Step 1: Write the proportion equation
489,534.08 : 734,336.69 = 204,938.40 : x - Step 2: Convert to fraction form
489,534.08/734,336.69 = 204,938.40/x - Step 3: Cross multiply
489,534.08x = 734,336.69 × 204,938.40 - Step 4: Simplify right side
489,534.08x = 150,493,788,038.97 - Step 5: Solve for x
x = 150,493,788,038.97/489,534.08 - Step 6: Final answer
x = 307,422.49
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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.