Finding the Fourth Proportional to 211,898.76, 292,425.56 and 115,102.58
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Solution
The fourth proportional to 211,898.76, 292,425.56 and 115,102.58 is: 158,844.43
Step by Step Solution
- Step 1: Write the proportion equation
211,898.76 : 292,425.56 = 115,102.58 : x - Step 2: Convert to fraction form
211,898.76/292,425.56 = 115,102.58/x - Step 3: Cross multiply
211,898.76x = 292,425.56 × 115,102.58 - Step 4: Simplify right side
211,898.76x = 33,658,937,001.13 - Step 5: Solve for x
x = 33,658,937,001.13/211,898.76 - Step 6: Final answer
x = 158,844.43
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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.