Finding the Fourth Proportional to 649,489.79, 974,119.87 and 176,212.06
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Solution
The fourth proportional to 649,489.79, 974,119.87 and 176,212.06 is: 264,286.94
Step by Step Solution
- Step 1: Write the proportion equation
649,489.79 : 974,119.87 = 176,212.06 : x - Step 2: Convert to fraction form
649,489.79/974,119.87 = 176,212.06/x - Step 3: Cross multiply
649,489.79x = 974,119.87 × 176,212.06 - Step 4: Simplify right side
649,489.79x = 171,651,666,764.60 - Step 5: Solve for x
x = 171,651,666,764.60/649,489.79 - Step 6: Final answer
x = 264,286.94
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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.