Finding the Fourth Proportional to 298,228.83, 411,567.12 and 170,928.99
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Solution
The fourth proportional to 298,228.83, 411,567.12 and 170,928.99 is: 235,888.50
Step by Step Solution
- Step 1: Write the proportion equation
298,228.83 : 411,567.12 = 170,928.99 : x - Step 2: Convert to fraction form
298,228.83/411,567.12 = 170,928.99/x - Step 3: Cross multiply
298,228.83x = 411,567.12 × 170,928.99 - Step 4: Simplify right side
298,228.83x = 70,348,752,138.81 - Step 5: Solve for x
x = 70,348,752,138.81/298,228.83 - Step 6: Final answer
x = 235,888.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.