Finding the Fourth Proportional to 230,852.70, 346,279.05 and 125,876.70
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Solution
The fourth proportional to 230,852.70, 346,279.05 and 125,876.70 is: 188,815.05
Step by Step Solution
- Step 1: Write the proportion equation
230,852.70 : 346,279.05 = 125,876.70 : x - Step 2: Convert to fraction form
230,852.70/346,279.05 = 125,876.70/x - Step 3: Cross multiply
230,852.70x = 346,279.05 × 125,876.70 - Step 4: Simplify right side
230,852.70x = 43,588,464,093.14 - Step 5: Solve for x
x = 43,588,464,093.14/230,852.70 - Step 6: Final answer
x = 188,815.05
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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.