Finding the Fourth Proportional to 147,616.76, 221,460.28 and 47,776.96
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Solution
The fourth proportional to 147,616.76, 221,460.28 and 47,776.96 is: 71,676.81
Step by Step Solution
- Step 1: Write the proportion equation
147,616.76 : 221,460.28 = 47,776.96 : x - Step 2: Convert to fraction form
147,616.76/221,460.28 = 47,776.96/x - Step 3: Cross multiply
147,616.76x = 221,460.28 × 47,776.96 - Step 4: Simplify right side
147,616.76x = 10,580,698,939.15 - Step 5: Solve for x
x = 10,580,698,939.15/147,616.76 - Step 6: Final answer
x = 71,676.81
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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.