Finding the Fourth Proportional to 470,121.93, 648,750.08 and 255,257.08
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Solution
The fourth proportional to 470,121.93, 648,750.08 and 255,257.08 is: 352,244.89
Step by Step Solution
- Step 1: Write the proportion equation
470,121.93 : 648,750.08 = 255,257.08 : x - Step 2: Convert to fraction form
470,121.93/648,750.08 = 255,257.08/x - Step 3: Cross multiply
470,121.93x = 648,750.08 × 255,257.08 - Step 4: Simplify right side
470,121.93x = 165,598,048,837.93 - Step 5: Solve for x
x = 165,598,048,837.93/470,121.93 - Step 6: Final answer
x = 352,244.89
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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.