Finding the Fourth Proportional to 257,076.23, 385,693.11 and 115,041.06
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Solution
The fourth proportional to 257,076.23, 385,693.11 and 115,041.06 is: 172,596.84
Step by Step Solution
- Step 1: Write the proportion equation
257,076.23 : 385,693.11 = 115,041.06 : x - Step 2: Convert to fraction form
257,076.23/385,693.11 = 115,041.06/x - Step 3: Cross multiply
257,076.23x = 385,693.11 × 115,041.06 - Step 4: Simplify right side
257,076.23x = 44,370,544,209.10 - Step 5: Solve for x
x = 44,370,544,209.10/257,076.23 - Step 6: Final answer
x = 172,596.84
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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.