Finding the Fourth Proportional to 664,711.41, 996,857.98 and 215,328.02
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Solution
The fourth proportional to 664,711.41, 996,857.98 and 215,328.02 is: 322,924.28
Step by Step Solution
- Step 1: Write the proportion equation
664,711.41 : 996,857.98 = 215,328.02 : x - Step 2: Convert to fraction form
664,711.41/996,857.98 = 215,328.02/x - Step 3: Cross multiply
664,711.41x = 996,857.98 × 215,328.02 - Step 4: Simplify right side
664,711.41x = 214,651,455,054.60 - Step 5: Solve for x
x = 214,651,455,054.60/664,711.41 - Step 6: Final answer
x = 322,924.28
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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.