Finding the Fourth Proportional to 438,756.69, 658,135.03 and 106,332.69
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Solution
The fourth proportional to 438,756.69, 658,135.03 and 106,332.69 is: 159,499.03
Step by Step Solution
- Step 1: Write the proportion equation
438,756.69 : 658,135.03 = 106,332.69 : x - Step 2: Convert to fraction form
438,756.69/658,135.03 = 106,332.69/x - Step 3: Cross multiply
438,756.69x = 658,135.03 × 106,332.69 - Step 4: Simplify right side
438,756.69x = 69,981,268,123.13 - Step 5: Solve for x
x = 69,981,268,123.13/438,756.69 - Step 6: Final answer
x = 159,499.03
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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.