Finding the Fourth Proportional to 292,133.80, 437,047.74 and 221,260.65
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Solution
The fourth proportional to 292,133.80, 437,047.74 and 221,260.65 is: 331,017.73
Step by Step Solution
- Step 1: Write the proportion equation
292,133.80 : 437,047.74 = 221,260.65 : x - Step 2: Convert to fraction form
292,133.80/437,047.74 = 221,260.65/x - Step 3: Cross multiply
292,133.80x = 437,047.74 × 221,260.65 - Step 4: Simplify right side
292,133.80x = 96,701,467,863.16 - Step 5: Solve for x
x = 96,701,467,863.16/292,133.80 - Step 6: Final answer
x = 331,017.73
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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.