Finding the Fourth Proportional to 201,725.10, 302,587.65 and 91,133.10
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Solution
The fourth proportional to 201,725.10, 302,587.65 and 91,133.10 is: 136,699.65
Step by Step Solution
- Step 1: Write the proportion equation
201,725.10 : 302,587.65 = 91,133.10 : x - Step 2: Convert to fraction form
201,725.10/302,587.65 = 91,133.10/x - Step 3: Cross multiply
201,725.10x = 302,587.65 × 91,133.10 - Step 4: Simplify right side
201,725.10x = 27,575,750,566.22 - Step 5: Solve for x
x = 27,575,750,566.22/201,725.10 - Step 6: Final answer
x = 136,699.65
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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.