Finding the Fourth Proportional to 193,486.88, 266,977.68 and 118,059.68
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Solution
The fourth proportional to 193,486.88, 266,977.68 and 118,059.68 is: 162,901.48
Step by Step Solution
- Step 1: Write the proportion equation
193,486.88 : 266,977.68 = 118,059.68 : x - Step 2: Convert to fraction form
193,486.88/266,977.68 = 118,059.68/x - Step 3: Cross multiply
193,486.88x = 266,977.68 × 118,059.68 - Step 4: Simplify right side
193,486.88x = 31,519,299,467.94 - Step 5: Solve for x
x = 31,519,299,467.94/193,486.88 - Step 6: Final answer
x = 162,901.48
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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.