Finding the Fourth Proportional to 302,863.12, 417,945.84 and 166,909.84
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Solution
The fourth proportional to 302,863.12, 417,945.84 and 166,909.84 is: 230,332.68
Step by Step Solution
- Step 1: Write the proportion equation
302,863.12 : 417,945.84 = 166,909.84 : x - Step 2: Convert to fraction form
302,863.12/417,945.84 = 166,909.84/x - Step 3: Cross multiply
302,863.12x = 417,945.84 × 166,909.84 - Step 4: Simplify right side
302,863.12x = 69,759,273,283.07 - Step 5: Solve for x
x = 69,759,273,283.07/302,863.12 - Step 6: Final answer
x = 230,332.68
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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.