Finding the Fourth Proportional to 325,793.40, 488,726.55 and 101,152.05
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Solution
The fourth proportional to 325,793.40, 488,726.55 and 101,152.05 is: 151,739.39
Step by Step Solution
- Step 1: Write the proportion equation
325,793.40 : 488,726.55 = 101,152.05 : x - Step 2: Convert to fraction form
325,793.40/488,726.55 = 101,152.05/x - Step 3: Cross multiply
325,793.40x = 488,726.55 × 101,152.05 - Step 4: Simplify right side
325,793.40x = 49,435,692,421.93 - Step 5: Solve for x
x = 49,435,692,421.93/325,793.40 - Step 6: Final answer
x = 151,739.39
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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.