Finding the Fourth Proportional to 247,098.12, 340,992.36 and 133,918.44
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Solution
The fourth proportional to 247,098.12, 340,992.36 and 133,918.44 is: 184,805.80
Step by Step Solution
- Step 1: Write the proportion equation
247,098.12 : 340,992.36 = 133,918.44 : x - Step 2: Convert to fraction form
247,098.12/340,992.36 = 133,918.44/x - Step 3: Cross multiply
247,098.12x = 340,992.36 × 133,918.44 - Step 4: Simplify right side
247,098.12x = 45,665,164,903.12 - Step 5: Solve for x
x = 45,665,164,903.12/247,098.12 - Step 6: Final answer
x = 184,805.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.