Finding the Fourth Proportional to 346,729.20, 520,093.80 and 97,378.80
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Solution
The fourth proportional to 346,729.20, 520,093.80 and 97,378.80 is: 146,068.20
Step by Step Solution
- Step 1: Write the proportion equation
346,729.20 : 520,093.80 = 97,378.80 : x - Step 2: Convert to fraction form
346,729.20/520,093.80 = 97,378.80/x - Step 3: Cross multiply
346,729.20x = 520,093.80 × 97,378.80 - Step 4: Simplify right side
346,729.20x = 50,646,110,131.44 - Step 5: Solve for x
x = 50,646,110,131.44/346,729.20 - Step 6: Final answer
x = 146,068.20
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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.