Finding the Fourth Proportional to 520,204.67, 780,306.99 and 146,227.67
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Solution
The fourth proportional to 520,204.67, 780,306.99 and 146,227.67 is: 219,341.50
Step by Step Solution
- Step 1: Write the proportion equation
520,204.67 : 780,306.99 = 146,227.67 : x - Step 2: Convert to fraction form
520,204.67/780,306.99 = 146,227.67/x - Step 3: Cross multiply
520,204.67x = 780,306.99 × 146,227.67 - Step 4: Simplify right side
520,204.67x = 114,102,473,032.41 - Step 5: Solve for x
x = 114,102,473,032.41/520,204.67 - Step 6: Final answer
x = 219,341.50
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Double scale
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Similar ratio
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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.