Finding the Fourth Proportional to 345,965.08, 518,984.55 and 146,305.65
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Solution
The fourth proportional to 345,965.08, 518,984.55 and 146,305.65 is: 219,474.09
Step by Step Solution
- Step 1: Write the proportion equation
345,965.08 : 518,984.55 = 146,305.65 : x - Step 2: Convert to fraction form
345,965.08/518,984.55 = 146,305.65/x - Step 3: Cross multiply
345,965.08x = 518,984.55 × 146,305.65 - Step 4: Simplify right side
345,965.08x = 75,930,371,927.71 - Step 5: Solve for x
x = 75,930,371,927.71/345,965.08 - Step 6: Final answer
x = 219,474.09
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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.