Finding the Fourth Proportional to 324,814.69, 487,305.08 and 135,212.02
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Solution
The fourth proportional to 324,814.69, 487,305.08 and 135,212.02 is: 202,852.59
Step by Step Solution
- Step 1: Write the proportion equation
324,814.69 : 487,305.08 = 135,212.02 : x - Step 2: Convert to fraction form
324,814.69/487,305.08 = 135,212.02/x - Step 3: Cross multiply
324,814.69x = 487,305.08 × 135,212.02 - Step 4: Simplify right side
324,814.69x = 65,889,502,835.78 - Step 5: Solve for x
x = 65,889,502,835.78/324,814.69 - Step 6: Final answer
x = 202,852.59
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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.