Finding the Fourth Proportional to 235,037.70, 352,556.55 and 209,449.80
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Solution
The fourth proportional to 235,037.70, 352,556.55 and 209,449.80 is: 314,174.70
Step by Step Solution
- Step 1: Write the proportion equation
235,037.70 : 352,556.55 = 209,449.80 : x - Step 2: Convert to fraction form
235,037.70/352,556.55 = 209,449.80/x - Step 3: Cross multiply
235,037.70x = 352,556.55 × 209,449.80 - Step 4: Simplify right side
235,037.70x = 73,842,898,886.19 - Step 5: Solve for x
x = 73,842,898,886.19/235,037.70 - Step 6: Final answer
x = 314,174.70
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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.