Finding the Fourth Proportional to 246,974,574.14, 370,495,928.16 and 143,392,561.10
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Solution
The fourth proportional to 246,974,574.14, 370,495,928.16 and 143,392,561.10 is: 215,108,620.80
Step by Step Solution
- Step 1: Write the proportion equation
246,974,574.14 : 370,495,928.16 = 143,392,561.10 : x - Step 2: Convert to fraction form
246,974,574.14/370,495,928.16 = 143,392,561.10/x - Step 3: Cross multiply
246,974,574.14x = 370,495,928.16 × 143,392,561.10 - Step 4: Simplify right side
246,974,574.14x = 53,126,360,015,984,016 - Step 5: Solve for x
x = 53,126,360,015,984,016/246,974,574.14 - Step 6: Final answer
x = 215,108,620.80
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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.