Finding the Fourth Proportional to 159,479.50, 239,219.26 and 65,987.68
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Solution
The fourth proportional to 159,479.50, 239,219.26 and 65,987.68 is: 98,981.52
Step by Step Solution
- Step 1: Write the proportion equation
159,479.50 : 239,219.26 = 65,987.68 : x - Step 2: Convert to fraction form
159,479.50/239,219.26 = 65,987.68/x - Step 3: Cross multiply
159,479.50x = 239,219.26 × 65,987.68 - Step 4: Simplify right side
159,479.50x = 15,785,523,978.72 - Step 5: Solve for x
x = 15,785,523,978.72/159,479.50 - Step 6: Final answer
x = 98,981.52
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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.