Finding the Fourth Proportional to 163,777.64, 245,669.49 and 51,455.75
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Solution
The fourth proportional to 163,777.64, 245,669.49 and 51,455.75 is: 77,184.58
Step by Step Solution
- Step 1: Write the proportion equation
163,777.64 : 245,669.49 = 51,455.75 : x - Step 2: Convert to fraction form
163,777.64/245,669.49 = 51,455.75/x - Step 3: Cross multiply
163,777.64x = 245,669.49 × 51,455.75 - Step 4: Simplify right side
163,777.64x = 12,641,107,860.07 - Step 5: Solve for x
x = 12,641,107,860.07/163,777.64 - Step 6: Final answer
x = 77,184.58
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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.