Finding the Fourth Proportional to 539,408.98, 809,245.23 and 179,579.08
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Solution
The fourth proportional to 539,408.98, 809,245.23 and 179,579.08 is: 269,412.49
Step by Step Solution
- Step 1: Write the proportion equation
539,408.98 : 809,245.23 = 179,579.08 : x - Step 2: Convert to fraction form
539,408.98/809,245.23 = 179,579.08/x - Step 3: Cross multiply
539,408.98x = 809,245.23 × 179,579.08 - Step 4: Simplify right side
539,408.98x = 145,323,513,897.79 - Step 5: Solve for x
x = 145,323,513,897.79/539,408.98 - Step 6: Final answer
x = 269,412.49
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1.5x scale
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.