Finding the Fourth Proportional to 419,155.08, 628,539.62 and 134,793.06
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Solution
The fourth proportional to 419,155.08, 628,539.62 and 134,793.06 is: 202,127.52
Step by Step Solution
- Step 1: Write the proportion equation
419,155.08 : 628,539.62 = 134,793.06 : x - Step 2: Convert to fraction form
419,155.08/628,539.62 = 134,793.06/x - Step 3: Cross multiply
419,155.08x = 628,539.62 × 134,793.06 - Step 4: Simplify right side
419,155.08x = 84,722,778,037.07 - Step 5: Solve for x
x = 84,722,778,037.07/419,155.08 - Step 6: Final answer
x = 202,127.52
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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.