Finding the Fourth Proportional to 248,164.10, 372,246.15 and 153,685.70
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Solution
The fourth proportional to 248,164.10, 372,246.15 and 153,685.70 is: 230,528.55
Step by Step Solution
- Step 1: Write the proportion equation
248,164.10 : 372,246.15 = 153,685.70 : x - Step 2: Convert to fraction form
248,164.10/372,246.15 = 153,685.70/x - Step 3: Cross multiply
248,164.10x = 372,246.15 × 153,685.70 - Step 4: Simplify right side
248,164.10x = 57,208,910,135.06 - Step 5: Solve for x
x = 57,208,910,135.06/248,164.10 - Step 6: Final answer
x = 230,528.55
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1.5x scale
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.