Finding the Fourth Proportional to 471,899.36, 651,363.40 and 321,083.84
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Solution
The fourth proportional to 471,899.36, 651,363.40 and 321,083.84 is: 443,192.51
Step by Step Solution
- Step 1: Write the proportion equation
471,899.36 : 651,363.40 = 321,083.84 : x - Step 2: Convert to fraction form
471,899.36/651,363.40 = 321,083.84/x - Step 3: Cross multiply
471,899.36x = 651,363.40 × 321,083.84 - Step 4: Simplify right side
471,899.36x = 209,142,261,707.46 - Step 5: Solve for x
x = 209,142,261,707.46/471,899.36 - Step 6: Final answer
x = 443,192.51
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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.