Finding the Fourth Proportional to 171,739.42, 257,645.58 and 51,800.02
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Solution
The fourth proportional to 171,739.42, 257,645.58 and 51,800.02 is: 77,711.02
Step by Step Solution
- Step 1: Write the proportion equation
171,739.42 : 257,645.58 = 51,800.02 : x - Step 2: Convert to fraction form
171,739.42/257,645.58 = 51,800.02/x - Step 3: Cross multiply
171,739.42x = 257,645.58 × 51,800.02 - Step 4: Simplify right side
171,739.42x = 13,346,046,196.91 - Step 5: Solve for x
x = 13,346,046,196.91/171,739.42 - Step 6: Final answer
x = 77,711.02
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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.