Finding the Fourth Proportional to 147,714.48, 221,564.40 and 54,213.12
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Solution
The fourth proportional to 147,714.48, 221,564.40 and 54,213.12 is: 81,316.99
Step by Step Solution
- Step 1: Write the proportion equation
147,714.48 : 221,564.40 = 54,213.12 : x - Step 2: Convert to fraction form
147,714.48/221,564.40 = 54,213.12/x - Step 3: Cross multiply
147,714.48x = 221,564.40 × 54,213.12 - Step 4: Simplify right side
147,714.48x = 12,011,697,404.93 - Step 5: Solve for x
x = 12,011,697,404.93/147,714.48 - Step 6: Final answer
x = 81,316.99
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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.