Finding the Fourth Proportional to 470,688.18, 649,553.67 and 255,828.21
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Solution
The fourth proportional to 470,688.18, 649,553.67 and 255,828.21 is: 353,045.09
Step by Step Solution
- Step 1: Write the proportion equation
470,688.18 : 649,553.67 = 255,828.21 : x - Step 2: Convert to fraction form
470,688.18/649,553.67 = 255,828.21/x - Step 3: Cross multiply
470,688.18x = 649,553.67 × 255,828.21 - Step 4: Simplify right side
470,688.18x = 166,174,152,695.03 - Step 5: Solve for x
x = 166,174,152,695.03/470,688.18 - Step 6: Final answer
x = 353,045.09
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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.