Finding the Fourth Proportional to 470,246.71, 648,918.75 and 266,292.96
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Solution
The fourth proportional to 470,246.71, 648,918.75 and 266,292.96 is: 367,471.99
Step by Step Solution
- Step 1: Write the proportion equation
470,246.71 : 648,918.75 = 266,292.96 : x - Step 2: Convert to fraction form
470,246.71/648,918.75 = 266,292.96/x - Step 3: Cross multiply
470,246.71x = 648,918.75 × 266,292.96 - Step 4: Simplify right side
470,246.71x = 172,802,494,737 - Step 5: Solve for x
x = 172,802,494,737/470,246.71 - Step 6: Final answer
x = 367,471.99
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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.