Finding the Fourth Proportional to 134,958.35, 202,264.72 and 103,638.35
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Solution
The fourth proportional to 134,958.35, 202,264.72 and 103,638.35 is: 155,324.82
Step by Step Solution
- Step 1: Write the proportion equation
134,958.35 : 202,264.72 = 103,638.35 : x - Step 2: Convert to fraction form
134,958.35/202,264.72 = 103,638.35/x - Step 3: Cross multiply
134,958.35x = 202,264.72 × 103,638.35 - Step 4: Simplify right side
134,958.35x = 20,962,381,844.01 - Step 5: Solve for x
x = 20,962,381,844.01/134,958.35 - Step 6: Final answer
x = 155,324.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.