Finding the Fourth Proportional to 346,811.70, 520,231.95 and 110,147.70
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Solution
The fourth proportional to 346,811.70, 520,231.95 and 110,147.70 is: 165,226.12
Step by Step Solution
- Step 1: Write the proportion equation
346,811.70 : 520,231.95 = 110,147.70 : x - Step 2: Convert to fraction form
346,811.70/520,231.95 = 110,147.70/x - Step 3: Cross multiply
346,811.70x = 520,231.95 × 110,147.70 - Step 4: Simplify right side
346,811.70x = 57,302,352,759.02 - Step 5: Solve for x
x = 57,302,352,759.02/346,811.70 - Step 6: Final answer
x = 165,226.12
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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.