Finding the Fourth Proportional to 173,690.70, 239,693.16 and 94,202.70
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Solution
The fourth proportional to 173,690.70, 239,693.16 and 94,202.70 is: 129,999.72
Step by Step Solution
- Step 1: Write the proportion equation
173,690.70 : 239,693.16 = 94,202.70 : x - Step 2: Convert to fraction form
173,690.70/239,693.16 = 94,202.70/x - Step 3: Cross multiply
173,690.70x = 239,693.16 × 94,202.70 - Step 4: Simplify right side
173,690.70x = 22,579,742,843.53 - Step 5: Solve for x
x = 22,579,742,843.53/173,690.70 - Step 6: Final answer
x = 129,999.72
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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.