Finding the Fourth Proportional to 470,865.88, 706,742.70 and 171,635.68
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Solution
The fourth proportional to 470,865.88, 706,742.70 and 171,635.68 is: 257,615.32
Step by Step Solution
- Step 1: Write the proportion equation
470,865.88 : 706,742.70 = 171,635.68 : x - Step 2: Convert to fraction form
470,865.88/706,742.70 = 171,635.68/x - Step 3: Cross multiply
470,865.88x = 706,742.70 × 171,635.68 - Step 4: Simplify right side
470,865.88x = 121,302,263,899.54 - Step 5: Solve for x
x = 121,302,263,899.54/470,865.88 - Step 6: Final answer
x = 257,615.32
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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.