Finding the Fourth Proportional to 430,505.04, 645,751.08 and 193,680.48
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Solution
The fourth proportional to 430,505.04, 645,751.08 and 193,680.48 is: 290,517.80
Step by Step Solution
- Step 1: Write the proportion equation
430,505.04 : 645,751.08 = 193,680.48 : x - Step 2: Convert to fraction form
430,505.04/645,751.08 = 193,680.48/x - Step 3: Cross multiply
430,505.04x = 645,751.08 × 193,680.48 - Step 4: Simplify right side
430,505.04x = 125,069,379,134.92 - Step 5: Solve for x
x = 125,069,379,134.92/430,505.04 - Step 6: Final answer
x = 290,517.80
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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.