Finding the Fourth Proportional to 306,652.97, 423,181.13 and 170,683.99
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Solution
The fourth proportional to 306,652.97, 423,181.13 and 170,683.99 is: 235,543.92
Step by Step Solution
- Step 1: Write the proportion equation
306,652.97 : 423,181.13 = 170,683.99 : x - Step 2: Convert to fraction form
306,652.97/423,181.13 = 170,683.99/x - Step 3: Cross multiply
306,652.97x = 423,181.13 × 170,683.99 - Step 4: Simplify right side
306,652.97x = 72,230,244,230.13 - Step 5: Solve for x
x = 72,230,244,230.13/306,652.97 - Step 6: Final answer
x = 235,543.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.