Finding the Fourth Proportional to 346,799.70, 520,199.55 and 97,481.70
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Solution
The fourth proportional to 346,799.70, 520,199.55 and 97,481.70 is: 146,222.55
Step by Step Solution
- Step 1: Write the proportion equation
346,799.70 : 520,199.55 = 97,481.70 : x - Step 2: Convert to fraction form
346,799.70/520,199.55 = 97,481.70/x - Step 3: Cross multiply
346,799.70x = 520,199.55 × 97,481.70 - Step 4: Simplify right side
346,799.70x = 50,709,936,473.24 - Step 5: Solve for x
x = 50,709,936,473.24/346,799.70 - Step 6: Final answer
x = 146,222.55
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1.5x scale
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.