Finding the Fourth Proportional to 292,810.44, 439,321.02 and 115,219.08
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Solution
The fourth proportional to 292,810.44, 439,321.02 and 115,219.08 is: 172,870.08
Step by Step Solution
- Step 1: Write the proportion equation
292,810.44 : 439,321.02 = 115,219.08 : x - Step 2: Convert to fraction form
292,810.44/439,321.02 = 115,219.08/x - Step 3: Cross multiply
292,810.44x = 439,321.02 × 115,219.08 - Step 4: Simplify right side
292,810.44x = 50,618,163,749.06 - Step 5: Solve for x
x = 50,618,163,749.06/292,810.44 - Step 6: Final answer
x = 172,870.08
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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.