Finding the Fourth Proportional to 242,720.86, 363,795.26 and 109,445.08
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Solution
The fourth proportional to 242,720.86, 363,795.26 and 109,445.08 is: 164,038.65
Step by Step Solution
- Step 1: Write the proportion equation
242,720.86 : 363,795.26 = 109,445.08 : x - Step 2: Convert to fraction form
242,720.86/363,795.26 = 109,445.08/x - Step 3: Cross multiply
242,720.86x = 363,795.26 × 109,445.08 - Step 4: Simplify right side
242,720.86x = 39,815,601,334.32 - Step 5: Solve for x
x = 39,815,601,334.32/242,720.86 - Step 6: Final answer
x = 164,038.65
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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.