Finding the Fourth Proportional to 346,431.71, 519,927.44 and 146,892.21
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Solution
The fourth proportional to 346,431.71, 519,927.44 and 146,892.21 is: 220,456.99
Step by Step Solution
- Step 1: Write the proportion equation
346,431.71 : 519,927.44 = 146,892.21 : x - Step 2: Convert to fraction form
346,431.71/519,927.44 = 146,892.21/x - Step 3: Cross multiply
346,431.71x = 519,927.44 × 146,892.21 - Step 4: Simplify right side
346,431.71x = 76,373,290,701.24 - Step 5: Solve for x
x = 76,373,290,701.24/346,431.71 - Step 6: Final answer
x = 220,456.99
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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.