Finding the Fourth Proportional to 488,618.99, 732,918.04 and 133,633.01
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Solution
The fourth proportional to 488,618.99, 732,918.04 and 133,633.01 is: 200,446.66
Step by Step Solution
- Step 1: Write the proportion equation
488,618.99 : 732,918.04 = 133,633.01 : x - Step 2: Convert to fraction form
488,618.99/732,918.04 = 133,633.01/x - Step 3: Cross multiply
488,618.99x = 732,918.04 × 133,633.01 - Step 4: Simplify right side
488,618.99x = 97,942,043,768.50 - Step 5: Solve for x
x = 97,942,043,768.50/488,618.99 - Step 6: Final answer
x = 200,446.66
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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.