Finding the Fourth Proportional to 230,715.70, 346,073.55 and 125,739.70
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Solution
The fourth proportional to 230,715.70, 346,073.55 and 125,739.70 is: 188,609.55
Step by Step Solution
- Step 1: Write the proportion equation
230,715.70 : 346,073.55 = 125,739.70 : x - Step 2: Convert to fraction form
230,715.70/346,073.55 = 125,739.70/x - Step 3: Cross multiply
230,715.70x = 346,073.55 × 125,739.70 - Step 4: Simplify right side
230,715.70x = 43,515,184,354.94 - Step 5: Solve for x
x = 43,515,184,354.94/230,715.70 - Step 6: Final answer
x = 188,609.55
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1.5x scale
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.