Finding the Fourth Proportional to 400,336.13, 552,409.36 and 239,156.96
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Solution
The fourth proportional to 400,336.13, 552,409.36 and 239,156.96 is: 330,004.04
Step by Step Solution
- Step 1: Write the proportion equation
400,336.13 : 552,409.36 = 239,156.96 : x - Step 2: Convert to fraction form
400,336.13/552,409.36 = 239,156.96/x - Step 3: Cross multiply
400,336.13x = 552,409.36 × 239,156.96 - Step 4: Simplify right side
400,336.13x = 132,112,539,853.21 - Step 5: Solve for x
x = 132,112,539,853.21/400,336.13 - Step 6: Final answer
x = 330,004.04
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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.