Finding the Fourth Proportional to 303,588.19, 455,487.99 and 135,228.07
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Solution
The fourth proportional to 303,588.19, 455,487.99 and 135,228.07 is: 202,889.19
Step by Step Solution
- Step 1: Write the proportion equation
303,588.19 : 455,487.99 = 135,228.07 : x - Step 2: Convert to fraction form
303,588.19/455,487.99 = 135,228.07/x - Step 3: Cross multiply
303,588.19x = 455,487.99 × 135,228.07 - Step 4: Simplify right side
303,588.19x = 61,594,761,795.88 - Step 5: Solve for x
x = 61,594,761,795.88/303,588.19 - Step 6: Final answer
x = 202,889.19
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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.