Finding the Fourth Proportional to 557,252.19, 769,011.03 and 315,581.81
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Solution
The fourth proportional to 557,252.19, 769,011.03 and 315,581.81 is: 435,504.59
Step by Step Solution
- Step 1: Write the proportion equation
557,252.19 : 769,011.03 = 315,581.81 : x - Step 2: Convert to fraction form
557,252.19/769,011.03 = 315,581.81/x - Step 3: Cross multiply
557,252.19x = 769,011.03 × 315,581.81 - Step 4: Simplify right side
557,252.19x = 242,685,888,912.31 - Step 5: Solve for x
x = 242,685,888,912.31/557,252.19 - Step 6: Final answer
x = 435,504.59
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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.