Finding the Fourth Proportional to 301,214.41, 415,604.57 and 170,395.07
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Solution
The fourth proportional to 301,214.41, 415,604.57 and 170,395.07 is: 235,104.85
Step by Step Solution
- Step 1: Write the proportion equation
301,214.41 : 415,604.57 = 170,395.07 : x - Step 2: Convert to fraction form
301,214.41/415,604.57 = 170,395.07/x - Step 3: Cross multiply
301,214.41x = 415,604.57 × 170,395.07 - Step 4: Simplify right side
301,214.41x = 70,816,966,867.47 - Step 5: Solve for x
x = 70,816,966,867.47/301,214.41 - Step 6: Final answer
x = 235,104.85
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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.