Finding the Fourth Proportional to 211,988.08, 292,541.70 and 115,190.92
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Solution
The fourth proportional to 211,988.08, 292,541.70 and 115,190.92 is: 158,962.46
Step by Step Solution
- Step 1: Write the proportion equation
211,988.08 : 292,541.70 = 115,190.92 : x - Step 2: Convert to fraction form
211,988.08/292,541.70 = 115,190.92/x - Step 3: Cross multiply
211,988.08x = 292,541.70 × 115,190.92 - Step 4: Simplify right side
211,988.08x = 33,698,147,561.36 - Step 5: Solve for x
x = 33,698,147,561.36/211,988.08 - Step 6: Final answer
x = 158,962.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.