Finding the Fourth Proportional to 178,353.98, 246,121.96 and 97,779.74
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Solution
The fourth proportional to 178,353.98, 246,121.96 and 97,779.74 is: 134,932.45
Step by Step Solution
- Step 1: Write the proportion equation
178,353.98 : 246,121.96 = 97,779.74 : x - Step 2: Convert to fraction form
178,353.98/246,121.96 = 97,779.74/x - Step 3: Cross multiply
178,353.98x = 246,121.96 × 97,779.74 - Step 4: Simplify right side
178,353.98x = 24,065,739,965.37 - Step 5: Solve for x
x = 24,065,739,965.37/178,353.98 - Step 6: Final answer
x = 134,932.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.