Finding the Fourth Proportional to 230,242.13, 315,432.88 and 221,613.05
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Solution
The fourth proportional to 230,242.13, 315,432.88 and 221,613.05 is: 303,611.00
Step by Step Solution
- Step 1: Write the proportion equation
230,242.13 : 315,432.88 = 221,613.05 : x - Step 2: Convert to fraction form
230,242.13/315,432.88 = 221,613.05/x - Step 3: Cross multiply
230,242.13x = 315,432.88 × 221,613.05 - Step 4: Simplify right side
230,242.13x = 69,904,042,607.08 - Step 5: Solve for x
x = 69,904,042,607.08/230,242.13 - Step 6: Final answer
x = 303,611.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.