Finding the Fourth Proportional to 170,177.33, 255,352.11 and 70,409.12
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Solution
The fourth proportional to 170,177.33, 255,352.11 and 70,409.12 is: 105,649.31
Step by Step Solution
- Step 1: Write the proportion equation
170,177.33 : 255,352.11 = 70,409.12 : x - Step 2: Convert to fraction form
170,177.33/255,352.11 = 70,409.12/x - Step 3: Cross multiply
170,177.33x = 255,352.11 × 70,409.12 - Step 4: Simplify right side
170,177.33x = 17,979,117,355.24 - Step 5: Solve for x
x = 17,979,117,355.24/170,177.33 - Step 6: Final answer
x = 105,649.31
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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.