Finding the Fourth Proportional to 202,358.52, 279,211.41 and 117,430.02
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Solution
The fourth proportional to 202,358.52, 279,211.41 and 117,430.02 is: 162,028.27
Step by Step Solution
- Step 1: Write the proportion equation
202,358.52 : 279,211.41 = 117,430.02 : x - Step 2: Convert to fraction form
202,358.52/279,211.41 = 117,430.02/x - Step 3: Cross multiply
202,358.52x = 279,211.41 × 117,430.02 - Step 4: Simplify right side
202,358.52x = 32,787,801,460.53 - Step 5: Solve for x
x = 32,787,801,460.53/202,358.52 - Step 6: Final answer
x = 162,028.27
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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.