Finding the Fourth Proportional to 285,058.08, 393,353.36 and 192,990.08
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Solution
The fourth proportional to 285,058.08, 393,353.36 and 192,990.08 is: 266,308.17
Step by Step Solution
- Step 1: Write the proportion equation
285,058.08 : 393,353.36 = 192,990.08 : x - Step 2: Convert to fraction form
285,058.08/393,353.36 = 192,990.08/x - Step 3: Cross multiply
285,058.08x = 393,353.36 × 192,990.08 - Step 4: Simplify right side
285,058.08x = 75,913,296,414.67 - Step 5: Solve for x
x = 75,913,296,414.67/285,058.08 - Step 6: Final answer
x = 266,308.17
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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.