Finding the Fourth Proportional to 128,652.36, 192,646.14 and 88,794.30
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Solution
The fourth proportional to 128,652.36, 192,646.14 and 88,794.30 is: 132,962.03
Step by Step Solution
- Step 1: Write the proportion equation
128,652.36 : 192,646.14 = 88,794.30 : x - Step 2: Convert to fraction form
128,652.36/192,646.14 = 88,794.30/x - Step 3: Cross multiply
128,652.36x = 192,646.14 × 88,794.30 - Step 4: Simplify right side
128,652.36x = 17,105,879,149.00 - Step 5: Solve for x
x = 17,105,879,149.00/128,652.36 - Step 6: Final answer
x = 132,962.03
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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.