Finding the Fourth Proportional to 201,973.20, 302,959.80 and 170,869.20
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Solution
The fourth proportional to 201,973.20, 302,959.80 and 170,869.20 is: 256,303.80
Step by Step Solution
- Step 1: Write the proportion equation
201,973.20 : 302,959.80 = 170,869.20 : x - Step 2: Convert to fraction form
201,973.20/302,959.80 = 170,869.20/x - Step 3: Cross multiply
201,973.20x = 302,959.80 × 170,869.20 - Step 4: Simplify right side
201,973.20x = 51,766,498,658.16 - Step 5: Solve for x
x = 51,766,498,658.16/201,973.20 - Step 6: Final answer
x = 256,303.80
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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.