Finding the Fourth Proportional to 419,245.36, 578,753.58 and 247,109.08
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Solution
The fourth proportional to 419,245.36, 578,753.58 and 247,109.08 is: 341,125.46
Step by Step Solution
- Step 1: Write the proportion equation
419,245.36 : 578,753.58 = 247,109.08 : x - Step 2: Convert to fraction form
419,245.36/578,753.58 = 247,109.08/x - Step 3: Cross multiply
419,245.36x = 578,753.58 × 247,109.08 - Step 4: Simplify right side
419,245.36x = 143,015,264,700.51 - Step 5: Solve for x
x = 143,015,264,700.51/419,245.36 - Step 6: Final answer
x = 341,125.46
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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.