Finding the Fourth Proportional to 242,921.18, 364,340.37 and 65,388.62
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Solution
The fourth proportional to 242,921.18, 364,340.37 and 65,388.62 is: 98,071.79
Step by Step Solution
- Step 1: Write the proportion equation
242,921.18 : 364,340.37 = 65,388.62 : x - Step 2: Convert to fraction form
242,921.18/364,340.37 = 65,388.62/x - Step 3: Cross multiply
242,921.18x = 364,340.37 × 65,388.62 - Step 4: Simplify right side
242,921.18x = 23,823,714,004.59 - Step 5: Solve for x
x = 23,823,714,004.59/242,921.18 - Step 6: Final answer
x = 98,071.79
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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.