Finding the Fourth Proportional to 350,956.19, 484,319.52 and 189,811.23
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Solution
The fourth proportional to 350,956.19, 484,319.52 and 189,811.23 is: 261,939.49
Step by Step Solution
- Step 1: Write the proportion equation
350,956.19 : 484,319.52 = 189,811.23 : x - Step 2: Convert to fraction form
350,956.19/484,319.52 = 189,811.23/x - Step 3: Cross multiply
350,956.19x = 484,319.52 × 189,811.23 - Step 4: Simplify right side
350,956.19x = 91,929,283,804.21 - Step 5: Solve for x
x = 91,929,283,804.21/350,956.19 - Step 6: Final answer
x = 261,939.49
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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.