Finding the Fourth Proportional to 386,971.98, 580,461.21 and 106,504.62
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Solution
The fourth proportional to 386,971.98, 580,461.21 and 106,504.62 is: 159,757.82
Step by Step Solution
- Step 1: Write the proportion equation
386,971.98 : 580,461.21 = 106,504.62 : x - Step 2: Convert to fraction form
386,971.98/580,461.21 = 106,504.62/x - Step 3: Cross multiply
386,971.98x = 580,461.21 × 106,504.62 - Step 4: Simplify right side
386,971.98x = 61,821,800,595.79 - Step 5: Solve for x
x = 61,821,800,595.79/386,971.98 - Step 6: Final answer
x = 159,757.82
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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.