Finding the Fourth Proportional to 157,057.10, 235,585.65 and 125,953.10
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Solution
The fourth proportional to 157,057.10, 235,585.65 and 125,953.10 is: 188,929.65
Step by Step Solution
- Step 1: Write the proportion equation
157,057.10 : 235,585.65 = 125,953.10 : x - Step 2: Convert to fraction form
157,057.10/235,585.65 = 125,953.10/x - Step 3: Cross multiply
157,057.10x = 235,585.65 × 125,953.10 - Step 4: Simplify right side
157,057.10x = 29,672,742,933.02 - Step 5: Solve for x
x = 29,672,742,933.02/157,057.10 - Step 6: Final answer
x = 188,929.65
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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.