Finding the Fourth Proportional to 251,652.15, 377,478.16 and 91,740.07
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Solution
The fourth proportional to 251,652.15, 377,478.16 and 91,740.07 is: 137,610.08
Step by Step Solution
- Step 1: Write the proportion equation
251,652.15 : 377,478.16 = 91,740.07 : x - Step 2: Convert to fraction form
251,652.15/377,478.16 = 91,740.07/x - Step 3: Cross multiply
251,652.15x = 377,478.16 × 91,740.07 - Step 4: Simplify right side
251,652.15x = 34,629,872,821.87 - Step 5: Solve for x
x = 34,629,872,821.87/251,652.15 - Step 6: Final answer
x = 137,610.08
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1.5x scale
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.