Finding the Fourth Proportional to 201,612.20, 302,418.30 and 141,477.80
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Solution
The fourth proportional to 201,612.20, 302,418.30 and 141,477.80 is: 212,216.70
Step by Step Solution
- Step 1: Write the proportion equation
201,612.20 : 302,418.30 = 141,477.80 : x - Step 2: Convert to fraction form
201,612.20/302,418.30 = 141,477.80/x - Step 3: Cross multiply
201,612.20x = 302,418.30 × 141,477.80 - Step 4: Simplify right side
201,612.20x = 42,785,475,763.74 - Step 5: Solve for x
x = 42,785,475,763.74/201,612.20 - Step 6: Final answer
x = 212,216.70
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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.