Finding the Fourth Proportional to 557,568.96, 769,448.84 and 302,920.08
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Solution
The fourth proportional to 557,568.96, 769,448.84 and 302,920.08 is: 418,031.71
Step by Step Solution
- Step 1: Write the proportion equation
557,568.96 : 769,448.84 = 302,920.08 : x - Step 2: Convert to fraction form
557,568.96/769,448.84 = 302,920.08/x - Step 3: Cross multiply
557,568.96x = 769,448.84 × 302,920.08 - Step 4: Simplify right side
557,568.96x = 233,081,504,168.71 - Step 5: Solve for x
x = 233,081,504,168.71/557,568.96 - Step 6: Final answer
x = 418,031.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.