Finding the Fourth Proportional to 470,435.46, 649,154.09 and 266,445.68
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Solution
The fourth proportional to 470,435.46, 649,154.09 and 266,445.68 is: 367,668.50
Step by Step Solution
- Step 1: Write the proportion equation
470,435.46 : 649,154.09 = 266,445.68 : x - Step 2: Convert to fraction form
470,435.46/649,154.09 = 266,445.68/x - Step 3: Cross multiply
470,435.46x = 649,154.09 × 266,445.68 - Step 4: Simplify right side
470,435.46x = 172,964,298,356.83 - Step 5: Solve for x
x = 172,964,298,356.83/470,435.46 - Step 6: Final answer
x = 367,668.50
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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.