Finding the Fourth Proportional to 165,073.76, 247,571.04 and 76,242.08
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Solution
The fourth proportional to 165,073.76, 247,571.04 and 76,242.08 is: 114,344.83
Step by Step Solution
- Step 1: Write the proportion equation
165,073.76 : 247,571.04 = 76,242.08 : x - Step 2: Convert to fraction form
165,073.76/247,571.04 = 76,242.08/x - Step 3: Cross multiply
165,073.76x = 247,571.04 × 76,242.08 - Step 4: Simplify right side
165,073.76x = 18,875,331,037.36 - Step 5: Solve for x
x = 18,875,331,037.36/165,073.76 - Step 6: Final answer
x = 114,344.83
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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.