Finding the Fourth Proportional to 345,966.08, 518,986.05 and 146,306.65
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Solution
The fourth proportional to 345,966.08, 518,986.05 and 146,306.65 is: 219,475.59
Step by Step Solution
- Step 1: Write the proportion equation
345,966.08 : 518,986.05 = 146,306.65 : x - Step 2: Convert to fraction form
345,966.08/518,986.05 = 146,306.65/x - Step 3: Cross multiply
345,966.08x = 518,986.05 × 146,306.65 - Step 4: Simplify right side
345,966.08x = 75,931,110,372.23 - Step 5: Solve for x
x = 75,931,110,372.23/345,966.08 - Step 6: Final answer
x = 219,475.59
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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.