Finding the Fourth Proportional to 470,768.05, 649,501.79 and 266,802.96
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Solution
The fourth proportional to 470,768.05, 649,501.79 and 266,802.96 is: 368,098.48
Step by Step Solution
- Step 1: Write the proportion equation
470,768.05 : 649,501.79 = 266,802.96 : x - Step 2: Convert to fraction form
470,768.05/649,501.79 = 266,802.96/x - Step 3: Cross multiply
470,768.05x = 649,501.79 × 266,802.96 - Step 4: Simplify right side
470,768.05x = 173,289,002,699.68 - Step 5: Solve for x
x = 173,289,002,699.68/470,768.05 - Step 6: Final answer
x = 368,098.48
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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.