Finding the Fourth Proportional to 470,438.96, 649,158.91 and 266,449.18
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Solution
The fourth proportional to 470,438.96, 649,158.91 and 266,449.18 is: 367,673.33
Step by Step Solution
- Step 1: Write the proportion equation
470,438.96 : 649,158.91 = 266,449.18 : x - Step 2: Convert to fraction form
470,438.96/649,158.91 = 266,449.18/x - Step 3: Cross multiply
470,438.96x = 649,158.91 × 266,449.18 - Step 4: Simplify right side
470,438.96x = 172,967,859,259.19 - Step 5: Solve for x
x = 172,967,859,259.19/470,438.96 - Step 6: Final answer
x = 367,673.33
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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.