Finding the Fourth Proportional to 309,388.52, 463,164.08 and 168,720.68
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Solution
The fourth proportional to 309,388.52, 463,164.08 and 168,720.68 is: 252,580.02
Step by Step Solution
- Step 1: Write the proportion equation
309,388.52 : 463,164.08 = 168,720.68 : x - Step 2: Convert to fraction form
309,388.52/463,164.08 = 168,720.68/x - Step 3: Cross multiply
309,388.52x = 463,164.08 × 168,720.68 - Step 4: Simplify right side
309,388.52x = 78,145,358,529.17 - Step 5: Solve for x
x = 78,145,358,529.17/309,388.52 - Step 6: Final answer
x = 252,580.02
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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.