Finding the Fourth Proportional to 347,257.73, 479,290.52 and 211,335.53
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Solution
The fourth proportional to 347,257.73, 479,290.52 and 211,335.53 is: 291,688.58
Step by Step Solution
- Step 1: Write the proportion equation
347,257.73 : 479,290.52 = 211,335.53 : x - Step 2: Convert to fraction form
347,257.73/479,290.52 = 211,335.53/x - Step 3: Cross multiply
347,257.73x = 479,290.52 × 211,335.53 - Step 4: Simplify right side
347,257.73x = 101,291,115,707.31 - Step 5: Solve for x
x = 101,291,115,707.31/347,257.73 - Step 6: Final answer
x = 291,688.58
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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.