Finding the Fourth Proportional to 485,899.05, 670,540.23 and 271,038.99
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Solution
The fourth proportional to 485,899.05, 670,540.23 and 271,038.99 is: 374,033.55
Step by Step Solution
- Step 1: Write the proportion equation
485,899.05 : 670,540.23 = 271,038.99 : x - Step 2: Convert to fraction form
485,899.05/670,540.23 = 271,038.99/x - Step 3: Cross multiply
485,899.05x = 670,540.23 × 271,038.99 - Step 4: Simplify right side
485,899.05x = 181,742,546,693.57 - Step 5: Solve for x
x = 181,742,546,693.57/485,899.05 - Step 6: Final answer
x = 374,033.55
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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.