Finding the Fourth Proportional to 134,960.10, 202,267.35 and 103,640.10
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Solution
The fourth proportional to 134,960.10, 202,267.35 and 103,640.10 is: 155,327.45
Step by Step Solution
- Step 1: Write the proportion equation
134,960.10 : 202,267.35 = 103,640.10 : x - Step 2: Convert to fraction form
134,960.10/202,267.35 = 103,640.10/x - Step 3: Cross multiply
134,960.10x = 202,267.35 × 103,640.10 - Step 4: Simplify right side
134,960.10x = 20,963,008,380.74 - Step 5: Solve for x
x = 20,963,008,380.74/134,960.10 - Step 6: Final answer
x = 155,327.45
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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.