Finding the Fourth Proportional to 645,353.25, 968,093.12 and 235,134.09
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Solution
The fourth proportional to 645,353.25, 968,093.12 and 235,134.09 is: 352,724.18
Step by Step Solution
- Step 1: Write the proportion equation
645,353.25 : 968,093.12 = 235,134.09 : x - Step 2: Convert to fraction form
645,353.25/968,093.12 = 235,134.09/x - Step 3: Cross multiply
645,353.25x = 968,093.12 × 235,134.09 - Step 4: Simplify right side
645,353.25x = 227,631,695,394.30 - Step 5: Solve for x
x = 227,631,695,394.30/645,353.25 - Step 6: Final answer
x = 352,724.18
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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.