Finding the Fourth Proportional to 292,529.80, 438,794.70 and 166,121.20
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Solution
The fourth proportional to 292,529.80, 438,794.70 and 166,121.20 is: 249,181.80
Step by Step Solution
- Step 1: Write the proportion equation
292,529.80 : 438,794.70 = 166,121.20 : x - Step 2: Convert to fraction form
292,529.80/438,794.70 = 166,121.20/x - Step 3: Cross multiply
292,529.80x = 438,794.70 × 166,121.20 - Step 4: Simplify right side
292,529.80x = 72,893,102,117.64 - Step 5: Solve for x
x = 72,893,102,117.64/292,529.80 - Step 6: Final answer
x = 249,181.80
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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.