Finding the Fourth Proportional to 171,559.08, 257,248.62 and 71,700.84
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Solution
The fourth proportional to 171,559.08, 257,248.62 and 71,700.84 is: 107,513.65
Step by Step Solution
- Step 1: Write the proportion equation
171,559.08 : 257,248.62 = 71,700.84 : x - Step 2: Convert to fraction form
171,559.08/257,248.62 = 71,700.84/x - Step 3: Cross multiply
171,559.08x = 257,248.62 × 71,700.84 - Step 4: Simplify right side
171,559.08x = 18,444,942,142.84 - Step 5: Solve for x
x = 18,444,942,142.84/171,559.08 - Step 6: Final answer
x = 107,513.65
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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.