Finding the Fourth Proportional to 247,101.12, 340,996.50 and 133,921.44
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Solution
The fourth proportional to 247,101.12, 340,996.50 and 133,921.44 is: 184,809.94
Step by Step Solution
- Step 1: Write the proportion equation
247,101.12 : 340,996.50 = 133,921.44 : x - Step 2: Convert to fraction form
247,101.12/340,996.50 = 133,921.44/x - Step 3: Cross multiply
247,101.12x = 340,996.50 × 133,921.44 - Step 4: Simplify right side
247,101.12x = 45,666,742,314.96 - Step 5: Solve for x
x = 45,666,742,314.96/247,101.12 - Step 6: Final answer
x = 184,809.94
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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.