Finding the Fourth Proportional to 286,704.06, 395,661.74 and 157,652.32
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Solution
The fourth proportional to 286,704.06, 395,661.74 and 157,652.32 is: 217,565.78
Step by Step Solution
- Step 1: Write the proportion equation
286,704.06 : 395,661.74 = 157,652.32 : x - Step 2: Convert to fraction form
286,704.06/395,661.74 = 157,652.32/x - Step 3: Cross multiply
286,704.06x = 395,661.74 × 157,652.32 - Step 4: Simplify right side
286,704.06x = 62,376,991,246.24 - Step 5: Solve for x
x = 62,376,991,246.24/286,704.06 - Step 6: Final answer
x = 217,565.78
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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.