Finding the Fourth Proportional to 98,256.24, 135,555.12 and 60,464.88
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Solution
The fourth proportional to 98,256.24, 135,555.12 and 60,464.88 is: 83,417.85
Step by Step Solution
- Step 1: Write the proportion equation
98,256.24 : 135,555.12 = 60,464.88 : x - Step 2: Convert to fraction form
98,256.24/135,555.12 = 60,464.88/x - Step 3: Cross multiply
98,256.24x = 135,555.12 × 60,464.88 - Step 4: Simplify right side
98,256.24x = 8,196,324,064.19 - Step 5: Solve for x
x = 8,196,324,064.19/98,256.24 - Step 6: Final answer
x = 83,417.85
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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.