Finding the Fourth Proportional to 471,793.60, 651,079.36 and 256,934.64
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Solution
The fourth proportional to 471,793.60, 651,079.36 and 256,934.64 is: 354,572.09
Step by Step Solution
- Step 1: Write the proportion equation
471,793.60 : 651,079.36 = 256,934.64 : x - Step 2: Convert to fraction form
471,793.60/651,079.36 = 256,934.64/x - Step 3: Cross multiply
471,793.60x = 651,079.36 × 256,934.64 - Step 4: Simplify right side
471,793.60x = 167,284,840,973.03 - Step 5: Solve for x
x = 167,284,840,973.03/471,793.60 - Step 6: Final answer
x = 354,572.09
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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.