Finding the Fourth Proportional to 346,877.87, 520,206.05 and 110,165.18
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Solution
The fourth proportional to 346,877.87, 520,206.05 and 110,165.18 is: 165,212.59
Step by Step Solution
- Step 1: Write the proportion equation
346,877.87 : 520,206.05 = 110,165.18 : x - Step 2: Convert to fraction form
346,877.87/520,206.05 = 110,165.18/x - Step 3: Cross multiply
346,877.87x = 520,206.05 × 110,165.18 - Step 4: Simplify right side
346,877.87x = 57,308,589,983.48 - Step 5: Solve for x
x = 57,308,589,983.48/346,877.87 - Step 6: Final answer
x = 165,212.59
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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.