Finding the Fourth Proportional to 408,432.96, 612,693.18 and 124,122.96
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Solution
The fourth proportional to 408,432.96, 612,693.18 and 124,122.96 is: 186,197.73
Step by Step Solution
- Step 1: Write the proportion equation
408,432.96 : 612,693.18 = 124,122.96 : x - Step 2: Convert to fraction form
408,432.96/612,693.18 = 124,122.96/x - Step 3: Cross multiply
408,432.96x = 612,693.18 × 124,122.96 - Step 4: Simplify right side
408,432.96x = 76,049,291,073.41 - Step 5: Solve for x
x = 76,049,291,073.41/408,432.96 - Step 6: Final answer
x = 186,197.73
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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.