Finding the Fourth Proportional to 292,475.80, 438,713.70 and 168,059.80
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Solution
The fourth proportional to 292,475.80, 438,713.70 and 168,059.80 is: 252,089.70
Step by Step Solution
- Step 1: Write the proportion equation
292,475.80 : 438,713.70 = 168,059.80 : x - Step 2: Convert to fraction form
292,475.80/438,713.70 = 168,059.80/x - Step 3: Cross multiply
292,475.80x = 438,713.70 × 168,059.80 - Step 4: Simplify right side
292,475.80x = 73,730,136,679.26 - Step 5: Solve for x
x = 73,730,136,679.26/292,475.80 - Step 6: Final answer
x = 252,089.70
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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.