Finding the Fourth Proportional to 539,535.80, 809,303.70 and 184,431.80
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Solution
The fourth proportional to 539,535.80, 809,303.70 and 184,431.80 is: 276,647.70
Step by Step Solution
- Step 1: Write the proportion equation
539,535.80 : 809,303.70 = 184,431.80 : x - Step 2: Convert to fraction form
539,535.80/809,303.70 = 184,431.80/x - Step 3: Cross multiply
539,535.80x = 809,303.70 × 184,431.80 - Step 4: Simplify right side
539,535.80x = 149,261,338,137.66 - Step 5: Solve for x
x = 149,261,338,137.66/539,535.80 - Step 6: Final answer
x = 276,647.70
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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.