Finding the Fourth Proportional to 214,291.98, 321,406.38 and 56,531.52
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Solution
The fourth proportional to 214,291.98, 321,406.38 and 56,531.52 is: 84,788.95
Step by Step Solution
- Step 1: Write the proportion equation
214,291.98 : 321,406.38 = 56,531.52 : x - Step 2: Convert to fraction form
214,291.98/321,406.38 = 56,531.52/x - Step 3: Cross multiply
214,291.98x = 321,406.38 × 56,531.52 - Step 4: Simplify right side
214,291.98x = 18,169,591,199.10 - Step 5: Solve for x
x = 18,169,591,199.10/214,291.98 - Step 6: Final answer
x = 84,788.95
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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.