Finding the Fourth Proportional to 506,886.99, 699,502.30 and 274,313.50
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Solution
The fourth proportional to 506,886.99, 699,502.30 and 274,313.50 is: 378,551.69
Step by Step Solution
- Step 1: Write the proportion equation
506,886.99 : 699,502.30 = 274,313.50 : x - Step 2: Convert to fraction form
506,886.99/699,502.30 = 274,313.50/x - Step 3: Cross multiply
506,886.99x = 699,502.30 × 274,313.50 - Step 4: Simplify right side
506,886.99x = 191,882,924,171.05 - Step 5: Solve for x
x = 191,882,924,171.05/506,886.99 - Step 6: Final answer
x = 378,551.69
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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.