Finding the Fourth Proportional to 345,963.08, 518,981.55 and 146,303.65
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Solution
The fourth proportional to 345,963.08, 518,981.55 and 146,303.65 is: 219,471.09
Step by Step Solution
- Step 1: Write the proportion equation
345,963.08 : 518,981.55 = 146,303.65 : x - Step 2: Convert to fraction form
345,963.08/518,981.55 = 146,303.65/x - Step 3: Cross multiply
345,963.08x = 518,981.55 × 146,303.65 - Step 4: Simplify right side
345,963.08x = 75,928,895,147.75 - Step 5: Solve for x
x = 75,928,895,147.75/345,963.08 - Step 6: Final answer
x = 219,471.09
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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.