Finding the Fourth Proportional to 361,534.68, 498,930.84 and 218,266.92
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Solution
The fourth proportional to 361,534.68, 498,930.84 and 218,266.92 is: 301,216.19
Step by Step Solution
- Step 1: Write the proportion equation
361,534.68 : 498,930.84 = 218,266.92 : x - Step 2: Convert to fraction form
361,534.68/498,930.84 = 218,266.92/x - Step 3: Cross multiply
361,534.68x = 498,930.84 × 218,266.92 - Step 4: Simplify right side
361,534.68x = 108,900,097,739.81 - Step 5: Solve for x
x = 108,900,097,739.81/361,534.68 - Step 6: Final answer
x = 301,216.19
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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.