Finding the Fourth Proportional to 143,281.13, 214,921.71 and 44,785.13
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Solution
The fourth proportional to 143,281.13, 214,921.71 and 44,785.13 is: 67,177.70
Step by Step Solution
- Step 1: Write the proportion equation
143,281.13 : 214,921.71 = 44,785.13 : x - Step 2: Convert to fraction form
143,281.13/214,921.71 = 44,785.13/x - Step 3: Cross multiply
143,281.13x = 214,921.71 × 44,785.13 - Step 4: Simplify right side
143,281.13x = 9,625,296,722.17 - Step 5: Solve for x
x = 9,625,296,722.17/143,281.13 - Step 6: Final answer
x = 67,177.70
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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.