Finding the Fourth Proportional to 418,859.58, 578,007.99 and 232,579.44
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Solution
The fourth proportional to 418,859.58, 578,007.99 and 232,579.44 is: 320,949.50
Step by Step Solution
- Step 1: Write the proportion equation
418,859.58 : 578,007.99 = 232,579.44 : x - Step 2: Convert to fraction form
418,859.58/578,007.99 = 232,579.44/x - Step 3: Cross multiply
418,859.58x = 578,007.99 × 232,579.44 - Step 4: Simplify right side
418,859.58x = 134,432,774,629.73 - Step 5: Solve for x
x = 134,432,774,629.73/418,859.58 - Step 6: Final answer
x = 320,949.50
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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.