Finding the Fourth Proportional to 252,117.23, 347,921.84 and 137,395.91
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Solution
The fourth proportional to 252,117.23, 347,921.84 and 137,395.91 is: 189,606.39
Step by Step Solution
- Step 1: Write the proportion equation
252,117.23 : 347,921.84 = 137,395.91 : x - Step 2: Convert to fraction form
252,117.23/347,921.84 = 137,395.91/x - Step 3: Cross multiply
252,117.23x = 347,921.84 × 137,395.91 - Step 4: Simplify right side
252,117.23x = 47,803,037,815.67 - Step 5: Solve for x
x = 47,803,037,815.67/252,117.23 - Step 6: Final answer
x = 189,606.39
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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.