Finding the Fourth Proportional to 346,124.10, 519,186.15 and 146,392.68
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Solution
The fourth proportional to 346,124.10, 519,186.15 and 146,392.68 is: 219,589.02
Step by Step Solution
- Step 1: Write the proportion equation
346,124.10 : 519,186.15 = 146,392.68 : x - Step 2: Convert to fraction form
346,124.10/519,186.15 = 146,392.68/x - Step 3: Cross multiply
346,124.10x = 519,186.15 × 146,392.68 - Step 4: Simplify right side
346,124.10x = 76,005,051,917.38 - Step 5: Solve for x
x = 76,005,051,917.38/346,124.10 - Step 6: Final answer
x = 219,589.02
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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.