Finding the Fourth Proportional to 210,121.20, 289,955.04 and 119,464.08
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Solution
The fourth proportional to 210,121.20, 289,955.04 and 119,464.08 is: 164,853.49
Step by Step Solution
- Step 1: Write the proportion equation
210,121.20 : 289,955.04 = 119,464.08 : x - Step 2: Convert to fraction form
210,121.20/289,955.04 = 119,464.08/x - Step 3: Cross multiply
210,121.20x = 289,955.04 × 119,464.08 - Step 4: Simplify right side
210,121.20x = 34,639,212,094.96 - Step 5: Solve for x
x = 34,639,212,094.96/210,121.20 - Step 6: Final answer
x = 164,853.49
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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.