Finding the Fourth Proportional to 470,403.76, 649,158.44 and 255,542.08
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Solution
The fourth proportional to 470,403.76, 649,158.44 and 255,542.08 is: 352,648.75
Step by Step Solution
- Step 1: Write the proportion equation
470,403.76 : 649,158.44 = 255,542.08 : x - Step 2: Convert to fraction form
470,403.76/649,158.44 = 255,542.08/x - Step 3: Cross multiply
470,403.76x = 649,158.44 × 255,542.08 - Step 4: Simplify right side
470,403.76x = 165,887,298,007.16 - Step 5: Solve for x
x = 165,887,298,007.16/470,403.76 - Step 6: Final answer
x = 352,648.75
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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.