Finding the Fourth Proportional to 340,914.42, 470,465.16 and 187,958.07
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Solution
The fourth proportional to 340,914.42, 470,465.16 and 187,958.07 is: 259,383.94
Step by Step Solution
- Step 1: Write the proportion equation
340,914.42 : 470,465.16 = 187,958.07 : x - Step 2: Convert to fraction form
340,914.42/470,465.16 = 187,958.07/x - Step 3: Cross multiply
340,914.42x = 470,465.16 × 187,958.07 - Step 4: Simplify right side
340,914.42x = 88,427,723,828.26 - Step 5: Solve for x
x = 88,427,723,828.26/340,914.42 - Step 6: Final answer
x = 259,383.94
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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.