Finding the Fourth Proportional to 247,063.24, 340,947.25 and 133,885.99
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Solution
The fourth proportional to 247,063.24, 340,947.25 and 133,885.99 is: 184,762.65
Step by Step Solution
- Step 1: Write the proportion equation
247,063.24 : 340,947.25 = 133,885.99 : x - Step 2: Convert to fraction form
247,063.24/340,947.25 = 133,885.99/x - Step 3: Cross multiply
247,063.24x = 340,947.25 × 133,885.99 - Step 4: Simplify right side
247,063.24x = 45,648,060,104.03 - Step 5: Solve for x
x = 45,648,060,104.03/247,063.24 - Step 6: Final answer
x = 184,762.65
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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.