Finding the Fourth Proportional to 664,153.33, 996,123.07 and 190,731.01
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Solution
The fourth proportional to 664,153.33, 996,123.07 and 190,731.01 is: 286,065.80
Step by Step Solution
- Step 1: Write the proportion equation
664,153.33 : 996,123.07 = 190,731.01 : x - Step 2: Convert to fraction form
664,153.33/996,123.07 = 190,731.01/x - Step 3: Cross multiply
664,153.33x = 996,123.07 × 190,731.01 - Step 4: Simplify right side
664,153.33x = 189,991,553,291.13 - Step 5: Solve for x
x = 189,991,553,291.13/664,153.33 - Step 6: Final answer
x = 286,065.80
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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.