Finding the Fourth Proportional to 239,203.52, 358,801.44 and 81,541.76
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Solution
The fourth proportional to 239,203.52, 358,801.44 and 81,541.76 is: 122,311.33
Step by Step Solution
- Step 1: Write the proportion equation
239,203.52 : 358,801.44 = 81,541.76 : x - Step 2: Convert to fraction form
239,203.52/358,801.44 = 81,541.76/x - Step 3: Cross multiply
239,203.52x = 358,801.44 × 81,541.76 - Step 4: Simplify right side
239,203.52x = 29,257,300,908.13 - Step 5: Solve for x
x = 29,257,300,908.13/239,203.52 - Step 6: Final answer
x = 122,311.33
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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.