Finding the Fourth Proportional to 346,471.20, 518,929.20 and 284,263.20
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Solution
The fourth proportional to 346,471.20, 518,929.20 and 284,263.20 is: 425,756.82
Step by Step Solution
- Step 1: Write the proportion equation
346,471.20 : 518,929.20 = 284,263.20 : x - Step 2: Convert to fraction form
346,471.20/518,929.20 = 284,263.20/x - Step 3: Cross multiply
346,471.20x = 518,929.20 × 284,263.20 - Step 4: Simplify right side
346,471.20x = 147,512,474,965.44 - Step 5: Solve for x
x = 147,512,474,965.44/346,471.20 - Step 6: Final answer
x = 425,756.82
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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.