Finding the Fourth Proportional to 171,398.64, 257,056.04 and 71,559.68
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Solution
The fourth proportional to 171,398.64, 257,056.04 and 71,559.68 is: 107,322.02
Step by Step Solution
- Step 1: Write the proportion equation
171,398.64 : 257,056.04 = 71,559.68 : x - Step 2: Convert to fraction form
171,398.64/257,056.04 = 71,559.68/x - Step 3: Cross multiply
171,398.64x = 257,056.04 × 71,559.68 - Step 4: Simplify right side
171,398.64x = 18,394,847,964.47 - Step 5: Solve for x
x = 18,394,847,964.47/171,398.64 - Step 6: Final answer
x = 107,322.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.