Finding the Fourth Proportional to 201,690,358.80, 302,110,385.40 and 201,690,358.80
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Solution
The fourth proportional to 201,690,358.80, 302,110,385.40 and 201,690,358.80 is: 302,110,385.40
Step by Step Solution
- Step 1: Write the proportion equation
201,690,358.80 : 302,110,385.40 = 201,690,358.80 : x - Step 2: Convert to fraction form
201,690,358.80/302,110,385.40 = 201,690,358.80/x - Step 3: Cross multiply
201,690,358.80x = 302,110,385.40 × 201,690,358.80 - Step 4: Simplify right side
201,690,358.80x = 60,932,752,028,532,280 - Step 5: Solve for x
x = 60,932,752,028,532,280/201,690,358.80 - Step 6: Final answer
x = 302,110,385.40
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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.