Finding the Fourth Proportional to 173,820.24, 239,865.84 and 98,367.12
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Solution
The fourth proportional to 173,820.24, 239,865.84 and 98,367.12 is: 135,743.18
Step by Step Solution
- Step 1: Write the proportion equation
173,820.24 : 239,865.84 = 98,367.12 : x - Step 2: Convert to fraction form
173,820.24/239,865.84 = 98,367.12/x - Step 3: Cross multiply
173,820.24x = 239,865.84 × 98,367.12 - Step 4: Simplify right side
173,820.24x = 23,594,911,867.18 - Step 5: Solve for x
x = 23,594,911,867.18/173,820.24 - Step 6: Final answer
x = 135,743.18
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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.