Finding the Fourth Proportional to 346,120.76, 519,178.80 and 186,271.92
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Solution
The fourth proportional to 346,120.76, 519,178.80 and 186,271.92 is: 279,406.62
Step by Step Solution
- Step 1: Write the proportion equation
346,120.76 : 519,178.80 = 186,271.92 : x - Step 2: Convert to fraction form
346,120.76/519,178.80 = 186,271.92/x - Step 3: Cross multiply
346,120.76x = 519,178.80 × 186,271.92 - Step 4: Simplify right side
346,120.76x = 96,708,431,899.30 - Step 5: Solve for x
x = 96,708,431,899.30/346,120.76 - Step 6: Final answer
x = 279,406.62
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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.