Finding the Fourth Proportional to 201,690,246.60, 302,535,369.90 and 197,438,718.60
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Solution
The fourth proportional to 201,690,246.60, 302,535,369.90 and 197,438,718.60 is: 296,158,077.90
Step by Step Solution
- Step 1: Write the proportion equation
201,690,246.60 : 302,535,369.90 = 197,438,718.60 : x - Step 2: Convert to fraction form
201,690,246.60/302,535,369.90 = 197,438,718.60/x - Step 3: Cross multiply
201,690,246.60x = 302,535,369.90 × 197,438,718.60 - Step 4: Simplify right side
201,690,246.60x = 59,732,195,764,233,000 - Step 5: Solve for x
x = 59,732,195,764,233,000/201,690,246.60 - Step 6: Final answer
x = 296,158,077.90
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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.