Finding the Fourth Proportional to 230,857.41, 346,395.48 and 159,889.26
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Solution
The fourth proportional to 230,857.41, 346,395.48 and 159,889.26 is: 239,909.63
Step by Step Solution
- Step 1: Write the proportion equation
230,857.41 : 346,395.48 = 159,889.26 : x - Step 2: Convert to fraction form
230,857.41/346,395.48 = 159,889.26/x - Step 3: Cross multiply
230,857.41x = 346,395.48 × 159,889.26 - Step 4: Simplify right side
230,857.41x = 55,384,916,964.54 - Step 5: Solve for x
x = 55,384,916,964.54/230,857.41 - Step 6: Final answer
x = 239,909.63
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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.