Finding the Fourth Proportional to 240,330.99, 360,713.16 and 128,104.68
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Solution
The fourth proportional to 240,330.99, 360,713.16 and 128,104.68 is: 192,272.52
Step by Step Solution
- Step 1: Write the proportion equation
240,330.99 : 360,713.16 = 128,104.68 : x - Step 2: Convert to fraction form
240,330.99/360,713.16 = 128,104.68/x - Step 3: Cross multiply
240,330.99x = 360,713.16 × 128,104.68 - Step 4: Simplify right side
240,330.99x = 46,209,043,933.59 - Step 5: Solve for x
x = 46,209,043,933.59/240,330.99 - Step 6: Final answer
x = 192,272.52
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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.