Finding the Fourth Proportional to 470,212.06, 649,131.63 and 298,305.63
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Solution
The fourth proportional to 470,212.06, 649,131.63 and 298,305.63 is: 411,813.38
Step by Step Solution
- Step 1: Write the proportion equation
470,212.06 : 649,131.63 = 298,305.63 : x - Step 2: Convert to fraction form
470,212.06/649,131.63 = 298,305.63/x - Step 3: Cross multiply
470,212.06x = 649,131.63 × 298,305.63 - Step 4: Simplify right side
470,212.06x = 193,639,619,840.08 - Step 5: Solve for x
x = 193,639,619,840.08/470,212.06 - Step 6: Final answer
x = 411,813.38
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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.