Finding the Fourth Proportional to 201,474,015.30, 302,211,022.95 and 157,636,037.70
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Solution
The fourth proportional to 201,474,015.30, 302,211,022.95 and 157,636,037.70 is: 236,454,056.55
Step by Step Solution
- Step 1: Write the proportion equation
201,474,015.30 : 302,211,022.95 = 157,636,037.70 : x - Step 2: Convert to fraction form
201,474,015.30/302,211,022.95 = 157,636,037.70/x - Step 3: Cross multiply
201,474,015.30x = 302,211,022.95 × 157,636,037.70 - Step 4: Simplify right side
201,474,015.30x = 47,639,348,207,101,760 - Step 5: Solve for x
x = 47,639,348,207,101,760/201,474,015.30 - Step 6: Final answer
x = 236,454,056.55
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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.