Finding the Fourth Proportional to 433,387.73, 649,831.61 and 133,788.17
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Solution
The fourth proportional to 433,387.73, 649,831.61 and 133,788.17 is: 200,605.09
Step by Step Solution
- Step 1: Write the proportion equation
433,387.73 : 649,831.61 = 133,788.17 : x - Step 2: Convert to fraction form
433,387.73/649,831.61 = 133,788.17/x - Step 3: Cross multiply
433,387.73x = 649,831.61 × 133,788.17 - Step 4: Simplify right side
433,387.73x = 86,939,783,869.10 - Step 5: Solve for x
x = 86,939,783,869.10/433,387.73 - Step 6: Final answer
x = 200,605.09
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1.5x scale
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.