Finding the Fourth Proportional to 664,293.30, 996,537.15 and 214,937.70
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Solution
The fourth proportional to 664,293.30, 996,537.15 and 214,937.70 is: 322,438.00
Step by Step Solution
- Step 1: Write the proportion equation
664,293.30 : 996,537.15 = 214,937.70 : x - Step 2: Convert to fraction form
664,293.30/996,537.15 = 214,937.70/x - Step 3: Cross multiply
664,293.30x = 996,537.15 × 214,937.70 - Step 4: Simplify right side
664,293.30x = 214,193,402,985.56 - Step 5: Solve for x
x = 214,193,402,985.56/664,293.30 - Step 6: Final answer
x = 322,438.00
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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.