Finding the Fourth Proportional to 292,220.19, 437,977.58 and 142,235.73
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Solution
The fourth proportional to 292,220.19, 437,977.58 and 142,235.73 is: 213,181.92
Step by Step Solution
- Step 1: Write the proportion equation
292,220.19 : 437,977.58 = 142,235.73 : x - Step 2: Convert to fraction form
292,220.19/437,977.58 = 142,235.73/x - Step 3: Cross multiply
292,220.19x = 437,977.58 × 142,235.73 - Step 4: Simplify right side
292,220.19x = 62,296,060,103.75 - Step 5: Solve for x
x = 62,296,060,103.75/292,220.19 - Step 6: Final answer
x = 213,181.92
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1.5x scale
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.