Finding the Fourth Proportional to 355,517.16, 533,304.12 and 118,861.08
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Solution
The fourth proportional to 355,517.16, 533,304.12 and 118,861.08 is: 178,301.11
Step by Step Solution
- Step 1: Write the proportion equation
355,517.16 : 533,304.12 = 118,861.08 : x - Step 2: Convert to fraction form
355,517.16/533,304.12 = 118,861.08/x - Step 3: Cross multiply
355,517.16x = 533,304.12 × 118,861.08 - Step 4: Simplify right side
355,517.16x = 63,389,103,671.65 - Step 5: Solve for x
x = 63,389,103,671.65/355,517.16 - Step 6: Final answer
x = 178,301.11
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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.