Finding the Fourth Proportional to 239,406.44, 330,376.84 and 130,511.96
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Solution
The fourth proportional to 239,406.44, 330,376.84 and 130,511.96 is: 180,104.30
Step by Step Solution
- Step 1: Write the proportion equation
239,406.44 : 330,376.84 = 130,511.96 : x - Step 2: Convert to fraction form
239,406.44/330,376.84 = 130,511.96/x - Step 3: Cross multiply
239,406.44x = 330,376.84 × 130,511.96 - Step 4: Simplify right side
239,406.44x = 43,118,128,927.01 - Step 5: Solve for x
x = 43,118,128,927.01/239,406.44 - Step 6: Final answer
x = 180,104.30
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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.