Finding the Fourth Proportional to 218,386.63, 301,372.59 and 122,894.92
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Solution
The fourth proportional to 218,386.63, 301,372.59 and 122,894.92 is: 169,594.45
Step by Step Solution
- Step 1: Write the proportion equation
218,386.63 : 301,372.59 = 122,894.92 : x - Step 2: Convert to fraction form
218,386.63/301,372.59 = 122,894.92/x - Step 3: Cross multiply
218,386.63x = 301,372.59 × 122,894.92 - Step 4: Simplify right side
218,386.63x = 37,037,160,338.24 - Step 5: Solve for x
x = 37,037,160,338.24/218,386.63 - Step 6: Final answer
x = 169,594.45
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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.