Finding the Fourth Proportional to 297,089.98, 409,984.36 and 161,123.88
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Solution
The fourth proportional to 297,089.98, 409,984.36 and 161,123.88 is: 222,351.06
Step by Step Solution
- Step 1: Write the proportion equation
297,089.98 : 409,984.36 = 161,123.88 : x - Step 2: Convert to fraction form
297,089.98/409,984.36 = 161,123.88/x - Step 3: Cross multiply
297,089.98x = 409,984.36 × 161,123.88 - Step 4: Simplify right side
297,089.98x = 66,058,270,822.52 - Step 5: Solve for x
x = 66,058,270,822.52/297,089.98 - Step 6: Final answer
x = 222,351.06
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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.