Finding the Fourth Proportional to 346,922.20, 520,397.70 and 110,258.20
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Solution
The fourth proportional to 346,922.20, 520,397.70 and 110,258.20 is: 165,391.88
Step by Step Solution
- Step 1: Write the proportion equation
346,922.20 : 520,397.70 = 110,258.20 : x - Step 2: Convert to fraction form
346,922.20/520,397.70 = 110,258.20/x - Step 3: Cross multiply
346,922.20x = 520,397.70 × 110,258.20 - Step 4: Simplify right side
346,922.20x = 57,378,113,686.14 - Step 5: Solve for x
x = 57,378,113,686.14/346,922.20 - Step 6: Final answer
x = 165,391.88
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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.