Finding the Fourth Proportional to 470,313.69, 649,037.79 and 255,457.95
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Solution
The fourth proportional to 470,313.69, 649,037.79 and 255,457.95 is: 352,534.63
Step by Step Solution
- Step 1: Write the proportion equation
470,313.69 : 649,037.79 = 255,457.95 : x - Step 2: Convert to fraction form
470,313.69/649,037.79 = 255,457.95/x - Step 3: Cross multiply
470,313.69x = 649,037.79 × 255,457.95 - Step 4: Simplify right side
470,313.69x = 165,801,863,305.93 - Step 5: Solve for x
x = 165,801,863,305.93/470,313.69 - Step 6: Final answer
x = 352,534.63
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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.