Finding the Fourth Proportional to 292,014.98, 437,679.05 and 131,904.03
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Solution
The fourth proportional to 292,014.98, 437,679.05 and 131,904.03 is: 197,700.92
Step by Step Solution
- Step 1: Write the proportion equation
292,014.98 : 437,679.05 = 131,904.03 : x - Step 2: Convert to fraction form
292,014.98/437,679.05 = 131,904.03/x - Step 3: Cross multiply
292,014.98x = 437,679.05 × 131,904.03 - Step 4: Simplify right side
292,014.98x = 57,731,629,882.05 - Step 5: Solve for x
x = 57,731,629,882.05/292,014.98 - Step 6: Final answer
x = 197,700.92
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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.