Finding the Fourth Proportional to 188,422.01, 260,033.99 and 107,847.68
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Solution
The fourth proportional to 188,422.01, 260,033.99 and 107,847.68 is: 148,836.46
Step by Step Solution
- Step 1: Write the proportion equation
188,422.01 : 260,033.99 = 107,847.68 : x - Step 2: Convert to fraction form
188,422.01/260,033.99 = 107,847.68/x - Step 3: Cross multiply
188,422.01x = 260,033.99 × 107,847.68 - Step 4: Simplify right side
188,422.01x = 28,044,063,462.35 - Step 5: Solve for x
x = 28,044,063,462.35/188,422.01 - Step 6: Final answer
x = 148,836.46
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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.