Finding the Fourth Proportional to 243,089.22, 364,695.42 and 74,618.08
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Solution
The fourth proportional to 243,089.22, 364,695.42 and 74,618.08 is: 111,946.03
Step by Step Solution
- Step 1: Write the proportion equation
243,089.22 : 364,695.42 = 74,618.08 : x - Step 2: Convert to fraction form
243,089.22/364,695.42 = 74,618.08/x - Step 3: Cross multiply
243,089.22x = 364,695.42 × 74,618.08 - Step 4: Simplify right side
243,089.22x = 27,212,872,025.19 - Step 5: Solve for x
x = 27,212,872,025.19/243,089.22 - Step 6: Final answer
x = 111,946.03
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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.