Finding the Fourth Proportional to 437,561.99, 603,890.54 and 256,343.08
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Solution
The fourth proportional to 437,561.99, 603,890.54 and 256,343.08 is: 353,785.66
Step by Step Solution
- Step 1: Write the proportion equation
437,561.99 : 603,890.54 = 256,343.08 : x - Step 2: Convert to fraction form
437,561.99/603,890.54 = 256,343.08/x - Step 3: Cross multiply
437,561.99x = 603,890.54 × 256,343.08 - Step 4: Simplify right side
437,561.99x = 154,803,156,705.30 - Step 5: Solve for x
x = 154,803,156,705.30/437,561.99 - Step 6: Final answer
x = 353,785.66
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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.