Finding the Fourth Proportional to 155,701.41, 214,823.49 and 87,694.62
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Solution
The fourth proportional to 155,701.41, 214,823.49 and 87,694.62 is: 120,993.54
Step by Step Solution
- Step 1: Write the proportion equation
155,701.41 : 214,823.49 = 87,694.62 : x - Step 2: Convert to fraction form
155,701.41/214,823.49 = 87,694.62/x - Step 3: Cross multiply
155,701.41x = 214,823.49 × 87,694.62 - Step 4: Simplify right side
155,701.41x = 18,838,864,322.62 - Step 5: Solve for x
x = 18,838,864,322.62/155,701.41 - Step 6: Final answer
x = 120,993.54
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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.