Finding the Fourth Proportional to 201,698.90, 302,548.35 and 83,455.10
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Solution
The fourth proportional to 201,698.90, 302,548.35 and 83,455.10 is: 125,182.65
Step by Step Solution
- Step 1: Write the proportion equation
201,698.90 : 302,548.35 = 83,455.10 : x - Step 2: Convert to fraction form
201,698.90/302,548.35 = 83,455.10/x - Step 3: Cross multiply
201,698.90x = 302,548.35 × 83,455.10 - Step 4: Simplify right side
201,698.90x = 25,249,202,804.09 - Step 5: Solve for x
x = 25,249,202,804.09/201,698.90 - Step 6: Final answer
x = 125,182.65
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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.