Finding the Fourth Proportional to 155,037.36, 213,984.88 and 94,595.03
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Solution
The fourth proportional to 155,037.36, 213,984.88 and 94,595.03 is: 130,561.46
Step by Step Solution
- Step 1: Write the proportion equation
155,037.36 : 213,984.88 = 94,595.03 : x - Step 2: Convert to fraction form
155,037.36/213,984.88 = 94,595.03/x - Step 3: Cross multiply
155,037.36x = 213,984.88 × 94,595.03 - Step 4: Simplify right side
155,037.36x = 20,241,904,836.73 - Step 5: Solve for x
x = 20,241,904,836.73/155,037.36 - Step 6: Final answer
x = 130,561.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.