Finding the Fourth Proportional to 158,982.08, 219,412.14 and 95,325.80
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Solution
The fourth proportional to 158,982.08, 219,412.14 and 95,325.80 is: 131,559.72
Step by Step Solution
- Step 1: Write the proportion equation
158,982.08 : 219,412.14 = 95,325.80 : x - Step 2: Convert to fraction form
158,982.08/219,412.14 = 95,325.80/x - Step 3: Cross multiply
158,982.08x = 219,412.14 × 95,325.80 - Step 4: Simplify right side
158,982.08x = 20,915,637,775.21 - Step 5: Solve for x
x = 20,915,637,775.21/158,982.08 - Step 6: Final answer
x = 131,559.72
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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.