Finding the Fourth Proportional to 471,983.22, 651,330.99 and 257,118.71
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Solution
The fourth proportional to 471,983.22, 651,330.99 and 257,118.71 is: 354,820.62
Step by Step Solution
- Step 1: Write the proportion equation
471,983.22 : 651,330.99 = 257,118.71 : x - Step 2: Convert to fraction form
471,983.22/651,330.99 = 257,118.71/x - Step 3: Cross multiply
471,983.22x = 651,330.99 × 257,118.71 - Step 4: Simplify right side
471,983.22x = 167,469,380,675.17 - Step 5: Solve for x
x = 167,469,380,675.17/471,983.22 - Step 6: Final answer
x = 354,820.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.