Finding the Fourth Proportional to 199,572.26, 299,358.41 and 73,164.74
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Solution
The fourth proportional to 199,572.26, 299,358.41 and 73,164.74 is: 109,747.12
Step by Step Solution
- Step 1: Write the proportion equation
199,572.26 : 299,358.41 = 73,164.74 : x - Step 2: Convert to fraction form
199,572.26/299,358.41 = 73,164.74/x - Step 3: Cross multiply
199,572.26x = 299,358.41 × 73,164.74 - Step 4: Simplify right side
199,572.26x = 21,902,480,617.04 - Step 5: Solve for x
x = 21,902,480,617.04/199,572.26 - Step 6: Final answer
x = 109,747.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.