Finding the Fourth Proportional to 134,921.50, 202,346.96 and 40,126.14
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Solution
The fourth proportional to 134,921.50, 202,346.96 and 40,126.14 is: 60,178.71
Step by Step Solution
- Step 1: Write the proportion equation
134,921.50 : 202,346.96 = 40,126.14 : x - Step 2: Convert to fraction form
134,921.50/202,346.96 = 40,126.14/x - Step 3: Cross multiply
134,921.50x = 202,346.96 × 40,126.14 - Step 4: Simplify right side
134,921.50x = 8,119,402,445.53 - Step 5: Solve for x
x = 8,119,402,445.53/134,921.50 - Step 6: Final answer
x = 60,178.71
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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.