Finding the Fourth Proportional to 143,271.36, 214,611.68 and 83,927.12
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Solution
The fourth proportional to 143,271.36, 214,611.68 and 83,927.12 is: 125,717.66
Step by Step Solution
- Step 1: Write the proportion equation
143,271.36 : 214,611.68 = 83,927.12 : x - Step 2: Convert to fraction form
143,271.36/214,611.68 = 83,927.12/x - Step 3: Cross multiply
143,271.36x = 214,611.68 × 83,927.12 - Step 4: Simplify right side
143,271.36x = 18,011,740,220.76 - Step 5: Solve for x
x = 18,011,740,220.76/143,271.36 - Step 6: Final answer
x = 125,717.66
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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.