Finding the Fourth Proportional to 178,779.24, 246,703.14 and 98,210.20
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Solution
The fourth proportional to 178,779.24, 246,703.14 and 98,210.20 is: 135,523.37
Step by Step Solution
- Step 1: Write the proportion equation
178,779.24 : 246,703.14 = 98,210.20 : x - Step 2: Convert to fraction form
178,779.24/246,703.14 = 98,210.20/x - Step 3: Cross multiply
178,779.24x = 246,703.14 × 98,210.20 - Step 4: Simplify right side
178,779.24x = 24,228,764,720.03 - Step 5: Solve for x
x = 24,228,764,720.03/178,779.24 - Step 6: Final answer
x = 135,523.37
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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.