Finding the Fourth Proportional to 488,901.32, 733,352.58 and 133,918.42
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Solution
The fourth proportional to 488,901.32, 733,352.58 and 133,918.42 is: 200,877.79
Step by Step Solution
- Step 1: Write the proportion equation
488,901.32 : 733,352.58 = 133,918.42 : x - Step 2: Convert to fraction form
488,901.32/733,352.58 = 133,918.42/x - Step 3: Cross multiply
488,901.32x = 733,352.58 × 133,918.42 - Step 4: Simplify right side
488,901.32x = 98,209,418,816.52 - Step 5: Solve for x
x = 98,209,418,816.52/488,901.32 - Step 6: Final answer
x = 200,877.79
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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.