Finding the Fourth Proportional to 114,346.84, 157,853.50 and 80,384.44
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Solution
The fourth proportional to 114,346.84, 157,853.50 and 80,384.44 is: 110,969.09
Step by Step Solution
- Step 1: Write the proportion equation
114,346.84 : 157,853.50 = 80,384.44 : x - Step 2: Convert to fraction form
114,346.84/157,853.50 = 80,384.44/x - Step 3: Cross multiply
114,346.84x = 157,853.50 × 80,384.44 - Step 4: Simplify right side
114,346.84x = 12,688,965,199.54 - Step 5: Solve for x
x = 12,688,965,199.54/114,346.84 - Step 6: Final answer
x = 110,969.09
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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.