Finding the Fourth Proportional to 520,206.67, 780,309.99 and 146,229.67
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Solution
The fourth proportional to 520,206.67, 780,309.99 and 146,229.67 is: 219,344.50
Step by Step Solution
- Step 1: Write the proportion equation
520,206.67 : 780,309.99 = 146,229.67 : x - Step 2: Convert to fraction form
520,206.67/780,309.99 = 146,229.67/x - Step 3: Cross multiply
520,206.67x = 780,309.99 × 146,229.67 - Step 4: Simplify right side
520,206.67x = 114,104,472,335.40 - Step 5: Solve for x
x = 114,104,472,335.40/520,206.67 - Step 6: Final answer
x = 219,344.50
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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.