Finding the Fourth Proportional to 225,759.68, 338,342.40 and 125,966.84
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Solution
The fourth proportional to 225,759.68, 338,342.40 and 125,966.84 is: 188,784.48
Step by Step Solution
- Step 1: Write the proportion equation
225,759.68 : 338,342.40 = 125,966.84 : x - Step 2: Convert to fraction form
225,759.68/338,342.40 = 125,966.84/x - Step 3: Cross multiply
225,759.68x = 338,342.40 × 125,966.84 - Step 4: Simplify right side
225,759.68x = 42,619,922,966.02 - Step 5: Solve for x
x = 42,619,922,966.02/225,759.68 - Step 6: Final answer
x = 188,784.48
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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.