Finding the Fourth Proportional to 180,333.09, 248,867.00 and 99,759.23
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Solution
The fourth proportional to 180,333.09, 248,867.00 and 99,759.23 is: 137,671.79
Step by Step Solution
- Step 1: Write the proportion equation
180,333.09 : 248,867.00 = 99,759.23 : x - Step 2: Convert to fraction form
180,333.09/248,867.00 = 99,759.23/x - Step 3: Cross multiply
180,333.09x = 248,867.00 × 99,759.23 - Step 4: Simplify right side
180,333.09x = 24,826,779,669.58 - Step 5: Solve for x
x = 24,826,779,669.58/180,333.09 - Step 6: Final answer
x = 137,671.79
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1.5x scale
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.