Finding the Fourth Proportional to 557,140.08, 768,858.84 and 302,493.36
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Solution
The fourth proportional to 557,140.08, 768,858.84 and 302,493.36 is: 417,443.84
Step by Step Solution
- Step 1: Write the proportion equation
557,140.08 : 768,858.84 = 302,493.36 : x - Step 2: Convert to fraction form
557,140.08/768,858.84 = 302,493.36/x - Step 3: Cross multiply
557,140.08x = 768,858.84 × 302,493.36 - Step 4: Simplify right side
557,140.08x = 232,574,693,877.30 - Step 5: Solve for x
x = 232,574,693,877.30/557,140.08 - Step 6: Final answer
x = 417,443.84
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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.