Finding the Fourth Proportional to 438,202.99, 657,342.11 and 153,869.09
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Solution
The fourth proportional to 438,202.99, 657,342.11 and 153,869.09 is: 230,816.85
Step by Step Solution
- Step 1: Write the proportion equation
438,202.99 : 657,342.11 = 153,869.09 : x - Step 2: Convert to fraction form
438,202.99/657,342.11 = 153,869.09/x - Step 3: Cross multiply
438,202.99x = 657,342.11 × 153,869.09 - Step 4: Simplify right side
438,202.99x = 101,144,632,284.38 - Step 5: Solve for x
x = 101,144,632,284.38/438,202.99 - Step 6: Final answer
x = 230,816.85
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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.