Finding the Fourth Proportional to 645,694.68, 968,697.30 and 202,462.68
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Solution
The fourth proportional to 645,694.68, 968,697.30 and 202,462.68 is: 303,742.71
Step by Step Solution
- Step 1: Write the proportion equation
645,694.68 : 968,697.30 = 202,462.68 : x - Step 2: Convert to fraction form
645,694.68/968,697.30 = 202,462.68/x - Step 3: Cross multiply
645,694.68x = 968,697.30 × 202,462.68 - Step 4: Simplify right side
645,694.68x = 196,125,051,466.76 - Step 5: Solve for x
x = 196,125,051,466.76/645,694.68 - Step 6: Final answer
x = 303,742.71
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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.