Finding the Fourth Proportional to 435,992.98, 653,982.99 and 120,442.90
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Solution
The fourth proportional to 435,992.98, 653,982.99 and 120,442.90 is: 180,662.56
Step by Step Solution
- Step 1: Write the proportion equation
435,992.98 : 653,982.99 = 120,442.90 : x - Step 2: Convert to fraction form
435,992.98/653,982.99 = 120,442.90/x - Step 3: Cross multiply
435,992.98x = 653,982.99 × 120,442.90 - Step 4: Simplify right side
435,992.98x = 78,767,607,866.27 - Step 5: Solve for x
x = 78,767,607,866.27/435,992.98 - Step 6: Final answer
x = 180,662.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.