Finding the Fourth Proportional to 470,542.29, 649,347.14 and 255,682.38
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Solution
The fourth proportional to 470,542.29, 649,347.14 and 255,682.38 is: 352,841.02
Step by Step Solution
- Step 1: Write the proportion equation
470,542.29 : 649,347.14 = 255,682.38 : x - Step 2: Convert to fraction form
470,542.29/649,347.14 = 255,682.38/x - Step 3: Cross multiply
470,542.29x = 649,347.14 × 255,682.38 - Step 4: Simplify right side
470,542.29x = 166,026,620,922.98 - Step 5: Solve for x
x = 166,026,620,922.98/470,542.29 - Step 6: Final answer
x = 352,841.02
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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.